libstdc++-v3/ChangeLog

   1 2018-11-28  Jonathan Wakely  <jwakely@redhat.com>
   2
   3         * doc/xml/manual/intro.xml: Document LWG 3096 change.
   4         * src/filesystem/std-path.cc (path::lexically_relative(const path&)):
   5         Treat a final empty element equivalently to a final dot element.
   6         * testsuite/27_io/filesystem/path/generation/relative.cc: Add checks
   7         for the examples in the DR.
   8
   9         PR libstdc++/83306
  10         * include/bits/fs_path.h (filesystem_error): Move data members into
  11         pimpl class owned by shared_ptr. Remove inline definitions of member
  12         functions.
  13         * src/filesystem/std-path.cc (filesystem_error::_Impl): Define.
  14         (filesystem_error): Define member functions.
  15         * testsuite/27_io/filesystem/filesystem_error/cons.cc: New test.
  16         * testsuite/27_io/filesystem/filesystem_error/copy.cc: New test.
  17
  18         * doc/xml/manual/status_cxx2017.xml: Update C++17 status.
  19         * doc/html/*: Regenerate.
  20
  21 2018-11-27  Jonathan Wakely  <jwakely@redhat.com>
  22
  23         * testsuite/27_io/filesystem/operations/canonical.cc: Remove
  24         directory created by test.
  25         * testsuite/27_io/filesystem/operations/symlink_status.cc: Remove
  26         symlink created by test.
  27
  28         PR libstdc++/67843
  29         * acinclude.m4 (GLIBCXX_ENABLE_LOCK_POLICY): Add new macro
  30         that defines _GLIBCXX_HAVE_ATOMIC_LOCK_POLICY.
  31         * config.h.in: Regenerate.
  32         * configure: Regenerate.
  33         * configure.ac: Use GLIBCXX_ENABLE_LOCK_POLICY.
  34         * doc/xml/manual/configure.xml: Document new configure option.
  35         * include/bits/fs_dir.h (directory_iterator): Use __shared_ptr
  36         instead of shared_ptr.
  37         (recursive_directory_iterator): Likewise.
  38         (__shared_ptr<_Dir>): Add explicit instantiation declaration.
  39         (__shared_ptr<recursive_directory_iterator::_Dir_stack>): Likewise.
  40         * include/bits/shared_ptr_base.h (__allocate_shared, __make_shared):
  41         Add default template argument for _Lock_policy template parameter.
  42         * include/ext/concurrence.h (__default_lock_policy): Check macro
  43         _GLIBCXX_HAVE_ATOMIC_LOCK_POLICY instead of checking if the current
  44         target supports the builtins for compare-and-swap.
  45         * src/filesystem/std-dir.cc (__shared_ptr<_Dir>): Add explicit
  46         instantiation definition.
  47         (__shared_ptr<recursive_directory_iterator::_Dir_stack>): Likewise.
  48         (directory_iterator, recursive_directory_iterator): Use __make_shared
  49         instead of make_shared.
  50
  51 2018-11-27  François Dumont  <fdumont@gcc.gnu.org>
  52
  53         PR libstdc++/88199
  54         * include/bits/hashtable.h (_Hashtable<>::_M_assign_elements): New.
  55         (_Hashtable<>::operator=(const _Hashtable&)): Use latter.
  56         (_Hashtable<>::_M_move_assign(_Hashtable&&, false_type)): Likewise.
  57         * testsuite/23_containers/unordered_set/allocator/move_assign.cc
  58         (test03): New.
  59
  60 2018-11-26  Jonathan Wakely  <jwakely@redhat.com>
  61
  62         * testsuite/26_numerics/complex/requirements/more_constexpr.cc: Fix
  63         failure on targets without __float128.
  64
  65 2018-11-23  Edward Smith-Rowland  <3dw4rd@verizon.net>
  66
  67         Implement P0415 More constexpr for std::complex.
  68         * include/std/complex (conj(complex<Tp>), norm(complex<Tp>)): Constexpr;
  69         (real(Tp), imag(Tp)): Constexpr;
  70         (operator@=(Tp), operator@=(complex<Tp>)): Constexpr;
  71         (operator@(Tp,complex<Tp>), operator@(complex<Tp>,Tp)
  72         operator@(complex<Tp>,complex<Tp>)): Constexpr.
  73         * testsuite/26_numerics/complex/comparison_operators/
  74         more_constexpr.cc: New test.
  75         * testsuite/26_numerics/complex/operators/more_constexpr.cc: New test.
  76         * testsuite/26_numerics/complex/requirements/
  77         more_constexpr.cc: New test.
  78         * testsuite/26_numerics/complex/value_operations/
  79         more_constexpr.cc: New test.
  80         * testsuite/26_numerics/headers/complex/synopsis.cc:
  81         Add _GLIBCXX20_CONSTEXPR to applicable operators; Add missing proj().
  82         * testsuite/26_numerics/headers/complex/synopsis.cc:
  83         Add _GLIBCXX20_CONSTEXPR to relevant decls.
  84
  85 2018-11-23  Martin Sebor  <msebor@redhat.com>
  86             Jonathan Wakely  <jwakely@redhat.com>
  87
  88         PR libstdc++/65229
  89         * python/libstdcxx/v6/printers.py (StdBitsetPrinter): Handle
  90         exception thrown for std::bitset<0>.
  91         * testsuite/libstdc++-prettyprinters/simple.cc: Test std::bitset<0>.
  92
  93 2018-11-23  Jonathan Wakely  <jwakely@redhat.com>
  94
  95         PR libstdc++/87308 (partial)
  96         * python/libstdcxx/v6/printers.py (StdExpAnyPrinter): Adjust regex to
  97         work around PR 88166.
  98         * testsuite/libstdc++-prettyprinters/cxx17.cc: Test std::any
  99         containing a local type.
 100
 101 2018-11-22  Marc Glisse  <marc.glisse@inria.fr>
 102
 103         PR libstdc++/87106
 104         * include/bits/stl_algobase.h: Include <type_traits>.
 105         (__niter_base): Add noexcept specification.
 106         * include/bits/stl_deque.h: Include <bits/stl_uninitialized.h>.
 107         (__is_trivially_relocatable): Specialize for deque.
 108         * include/bits/stl_iterator.h: Include <type_traits>.
 109         (__niter_base): Add noexcept specification.
 110         * include/bits/stl_uninitialized.h (__is_trivially_relocatable):
 111         Add parameter for meta-programming.
 112         (__relocate_a_1, __relocate_a): Add noexcept specification.
 113         * include/bits/stl_vector.h (__use_relocate): Test __relocate_a.
 114
 115 2018-11-22  Jonathan Wakely  <jwakely@redhat.com>
 116
 117         PR libstdc++/85930
 118         PR libstdc++/87520
 119         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti)
 120         [__cpp_rtti]: Define even when RTTI is enabled. Use array of
 121         sizeof(type_info) so that type-punned reference binds to an object
 122         of the correct size as well as correct alignment.
 123         (_Sp_counted_ptr_inplace::_M_get_deleter) [__cpp_rtti]: Check for
 124         _S_ti() reference even when RTTI is enabled.
 125         (__shared_ptr(_Sp_make_shared_tag, const _Alloc&, _Args&&...))
 126         [__cpp_rtti]: Pass _S_ti() instead of typeid(_Sp_make_shared_tag).
 127
 128 2018-11-21  Jakub Jelinek  <jakub@redhat.com>
 129
 130         PR c++/87386
 131         * testsuite/20_util/scoped_allocator/69293_neg.cc: Adjust expected
 132         line.
 133         * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
 134         * testsuite/20_util/uses_allocator/69293_neg.cc: Likewise.
 135         * testsuite/experimental/propagate_const/requirements2.cc: Likewise.
 136         * testsuite/experimental/propagate_const/requirements3.cc: Likewise.
 137         * testsuite/experimental/propagate_const/requirements4.cc: Likewise.
 138         * testsuite/experimental/propagate_const/requirements5.cc: Likewise.
 139
 140 2018-11-21  Jonathan Wakely  <jwakely@redhat.com>
 141
 142         PR libstdc++/88111
 143         * include/std/memory_resource (pool_options): Add Doxygen comments.
 144         * src/c++17/memory_resource.cc (pool_sizes): Only use suitable values
 145         on targets with 16-bit or 20-bit size_t type.
 146         (munge_options): Make default values depend on width of size_t type.
 147
 148         PR libstdc++/88113
 149         * src/c++17/memory_resource.cc (bitset::size_type): Use the smaller
 150         of uint32_t and size_t.
 151         (bitset::size(), bitset::free(), bitset::update_next_word())
 152         (bitset::max_blocks_per_chunk(), bitset::max_word_index()): Use
 153         size_type consistently instead of size_t.
 154         (chunk): Adjust static_assert checking sizeof(chunk).
 155
 156 2018-11-20  Ville Voutilainen  <ville.voutilainen@gmail.com>
 157
 158         Housekeeping for the effective targets of optional's tests.
 159         * testsuite/20_util/optional/77288.cc: Adjust.
 160         * testsuite/20_util/optional/84601.cc: Likewise.
 161         * testsuite/20_util/optional/assignment/1.cc: Likewise.
 162         * testsuite/20_util/optional/assignment/2.cc: Likewise.
 163         * testsuite/20_util/optional/assignment/3.cc: Likewise.
 164         * testsuite/20_util/optional/assignment/4.cc: Likewise.
 165         * testsuite/20_util/optional/assignment/5.cc: Likewise.
 166         * testsuite/20_util/optional/assignment/6.cc: Likewise.
 167         * testsuite/20_util/optional/assignment/7.cc: Likewise.
 168         * testsuite/20_util/optional/assignment/8.cc: Likewise.
 169         * testsuite/20_util/optional/cons/77727.cc: Likewise.
 170         * testsuite/20_util/optional/cons/copy.cc: Likewise.
 171         * testsuite/20_util/optional/cons/deduction.cc: Likewise.
 172         * testsuite/20_util/optional/cons/default.cc: Likewise.
 173         * testsuite/20_util/optional/cons/move.cc: Likewise.
 174         * testsuite/20_util/optional/cons/trivial.cc: Likewise.
 175         * testsuite/20_util/optional/cons/value.cc: Likewise.
 176         * testsuite/20_util/optional/cons/value_neg.cc: Likewise.
 177         * testsuite/20_util/optional/constexpr/cons/default.cc: Likewise.
 178         * testsuite/20_util/optional/constexpr/cons/value.cc: Likewise.
 179         * testsuite/20_util/optional/constexpr/in_place.cc: Likewise.
 180         * testsuite/20_util/optional/constexpr/nullopt.cc: Likewise.
 181         * testsuite/20_util/optional/constexpr/observers/1.cc: Likewise.
 182         * testsuite/20_util/optional/constexpr/observers/4.cc: Likewise.
 183         * testsuite/20_util/optional/constexpr/observers/5.cc: Likewise.
 184         * testsuite/20_util/optional/constexpr/relops/1.cc: Likewise.
 185         * testsuite/20_util/optional/constexpr/relops/2.cc: Likewise.
 186         * testsuite/20_util/optional/constexpr/relops/3.cc: Likewise.
 187         * testsuite/20_util/optional/constexpr/relops/4.cc: Likewise.
 188         * testsuite/20_util/optional/constexpr/relops/5.cc: Likewise.
 189         * testsuite/20_util/optional/constexpr/relops/6.cc: Likewise.
 190         * testsuite/20_util/optional/in_place.cc: Likewise.
 191         * testsuite/20_util/optional/make_optional.cc: Likewise.
 192         * testsuite/20_util/optional/nullopt.cc: Likewise.
 193         * testsuite/20_util/optional/observers/1.cc: Likewise.
 194         * testsuite/20_util/optional/observers/2.cc: Likewise.
 195         * testsuite/20_util/optional/observers/3.cc: Likewise.
 196         * testsuite/20_util/optional/observers/4.cc: Likewise.
 197         * testsuite/20_util/optional/observers/5.cc: Likewise.
 198         * testsuite/20_util/optional/observers/6.cc: Likewise.
 199         * testsuite/20_util/optional/relops/1.cc: Likewise.
 200         * testsuite/20_util/optional/relops/2.cc: Likewise.
 201         * testsuite/20_util/optional/relops/3.cc: Likewise.
 202         * testsuite/20_util/optional/relops/4.cc: Likewise.
 203         * testsuite/20_util/optional/relops/5.cc: Likewise.
 204         * testsuite/20_util/optional/relops/6.cc: Likewise.
 205         * testsuite/20_util/optional/relops/7.cc: Likewise.
 206         * testsuite/20_util/optional/requirements.cc: Likewise.
 207         * testsuite/20_util/optional/swap/1.cc: Likewise.
 208         * testsuite/20_util/optional/swap/2.cc: Likewise.
 209         * testsuite/20_util/optional/typedefs.cc: Likewise.
 210
 211 2018-11-19  François Dumont  <fdumont@gcc.gnu.org>
 212
 213         * include/ext/throw_allocator.h
 214         (annotate_base::insert(void*, size_t)): Use insert result to check for
 215         double insert attempt.
 216         (annotate_base::insert_construct(void*)): Likewise.
 217         (annotate_base::check_allocated(void*, size_t)): Return found iterator.
 218         (annotate_base::erase(void*, size_t)): Use latter method returned
 219         iterator.
 220         (annotate_base::check_constructed(void*, size_t)): Return found iterator.
 221         (annotate_base::erase_construct(void*)): Use latter method returned
 222         iterator.
 223
 224 2018-11-19  Ville Voutilainen  <ville.voutilainen@gmail.com>
 225
 226         PR libstdc++/87855
 227         Also implement P0602R4 (variant and optional
 228         should propagate copy/move triviality) for std::optional.
 229         * include/std/optional (_Optional_payload): Change
 230         the main constraints to check constructibility in
 231         addition to assignability.
 232         (operator=): Make constexpr.
 233         (_M_reset): Likewise.
 234         (_M_construct): Likewise.
 235         (operator->): Likewise.
 236         * testsuite/20_util/optional/assignment/8.cc: Adjust.
 237         * testsuite/20_util/optional/assignment/9.cc: New.
 238
 239 2018-11-19  Jonathan Wakely  <jwakely@redhat.com>
 240
 241         PR libstdc++/88084 - Implement LWG 2777
 242         * include/std/string_view (basic_string_view::copy): Use traits to
 243         copy.
 244         * testsuite/21_strings/basic_string_view/operations/copy/char/2.cc:
 245         New test.
 246         * testsuite/21_strings/basic_string_view/operations/copy/wchar_t/2.cc:
 247         New test.
 248
 249 2018-11-18  Michele Pezzutti <mpezz@tiscali.it>
 250             Edward Smith-Rowland  <3dw4rd@verizon.net>
 251
 252         PR libstdc++/83566 - cyl_bessel_j returns wrong result for x>1000
 253         for high orders.
 254         * include/tr1/bessel_function.tcc: Perform no fewer than nu/2 iterations
 255         of the asymptotic series (nu is the Bessel order).
 256         * testsuite/tr1/5_numerical_facilities/special_functions/
 257         09_cyl_bessel_j/check_value.cc: Add tests at nu=100, 1000<=x<=2000.
 258         * testsuite/tr1/5_numerical_facilities/special_functions/
 259         11_cyl_neumann/check_value.cc: Ditto.
 260         * testsuite/special_functions/08_cyl_bessel_j/check_value.cc: Ditto.
 261         * testsuite/special_functions/10_cyl_neumann/check_value.cc: Ditto.
 262
 263 2018-11-17  Jonathan Wakely  <jwakely@redhat.com>
 264
 265         Implement std::pmr::synchronized_pool_resource
 266         * config/abi/pre/gnu.ver: Add new symbols.
 267         * include/std/memory_resource [_GLIBCXX_HAS_GTHREADS]
 268         (__cpp_lib_memory_resource): Define to expected value, 201603.
 269         (synchronized_pool_resource): New class.
 270         [!_GLIBCXX_HAS_GTHREADS] (__cpp_lib_memory_resource): Define to 1.
 271         * include/std/shared_mutex (__glibcxx_rwlock_rdlock)
 272         (__glibcxx_rwlock_tryrdlock, __glibcxx_rwlock_wrlock)
 273         (__glibcxx_rwlock_trywrlock, __glibcxx_rwlock_unlock)
 274         (__glibcxx_rwlock_destroy, __glibcxx_rwlock_init)
 275         (__glibcxx_rwlock_timedrdlock, __glibcxx_rwlock_timedwrlock): Define
 276         weak symbols for POSIX rwlock functions.
 277         (__shared_mutex_pthread): Use weak symbols.
 278         * include/std/version (__cpp_lib_memory_resource): Define.
 279         * src/c++17/memory_resource.cc [_GLIBCXX_HAS_GTHREADS]
 280         (synchronized_pool_resource::_TPools): New class.
 281         (destroy_TPools): New function for pthread_key_create destructor.
 282         (synchronized_pool_resource::synchronized_pool_resource)
 283         (synchronized_pool_resource::~synchronized_pool_resource)
 284         (synchronized_pool_resource::release)
 285         (synchronized_pool_resource::do_allocate)
 286         (synchronized_pool_resource::do_deallocate): Define public members.
 287         (synchronized_pool_resource::_M_thread_specific_pools)
 288         (synchronized_pool_resource::_M_alloc_tpools)
 289         (synchronized_pool_resource::_M_alloc_shared_tpools): Define private
 290         members.
 291         * testsuite/20_util/synchronized_pool_resource/allocate.cc: New test.
 292         * testsuite/20_util/synchronized_pool_resource/cons.cc: New test.
 293         * testsuite/20_util/synchronized_pool_resource/is_equal.cc: New test.
 294         * testsuite/20_util/synchronized_pool_resource/multithreaded.cc: New
 295         test.
 296         * testsuite/20_util/synchronized_pool_resource/release.cc: New test.
 297         * testsuite/performance/20_util/memory_resource/pools.cc: Add
 298         multithreaded tests using pmr::synchronized_pool_resource.
 299
 300 2018-11-16  Renlin Li  <renlin.li@arm.com>
 301             Tejas Belagod  <tejas.belagod@arm.com>
 302
 303         testsuite/lib/libstdc++.exp (check_v3_target_prop_cached): New proc.
 304         (check_v3_target): Use the check_v3_target_prop_cached.
 305
 306 2018-11-15  Jonathan Wakely  <jwakely@redhat.com>
 307
 308         * scripts/check_performance: Allow tests to choose a -std flag.
 309         * src/c++17/memory_resource.cc (bitset::get_first_unset()): Use local
 310         variables of the right types. Call update_next_word() unconditionally.
 311         * testsuite/20_util/unsynchronized_pool_resource/cons.cc: New test.
 312         * testsuite/performance/20_util/memory_resource/pools.cc: New test.
 313         * testsuite/util/testsuite_performance.h (time_counter): Allow
 314         timer to be restarted.
 315
 316         * testsuite/20_util/unsynchronized_pool_resource/allocate.cc: Fix
 317         test for 32-bit targets. Test additional allocation sizes.
 318
 319 2018-11-14  Jonathan Wakely  <jwakely@redhat.com>
 320
 321         * scripts/create_testsuite_files: Add special_functions to the list
 322         of directories to search. Add comment referring to conformance.exp.
 323         * testsuite/libstdc++-dg/conformance.exp: Add comment referring
 324         to create_testsuite_files.
 325
 326 2018-11-13  Jonathan Wakely  <jwakely@redhat.com>
 327
 328         * src/c++17/memory_resource.cc (select_num_pools): Fix off-by-one
 329         error when block_size is equal to one of the values in the array.
 330
 331         * src/c++17/memory_resource.cc (_Pool::deallocate): Restore
 332         attributes to parameters that are only used in assertions.
 333
 334         * src/c++17/memory_resource.cc (bitset::find_first_unset()): Remove
 335         unused function.
 336         (bitset::get_first_unset()): Remove loop, if there's are unset bits
 337         then _M_next_word refers to the first one and there's no need to loop.
 338         (_Pool::_Pool(size_t, size_t), _Pool::block_size()): Remove dead code.
 339
 340         * src/c++17/memory_resource.cc (munge_options): Round up value of
 341         largest_required_pool_block to multiple of smallest pool size. Round
 342         excessively large values down to largest pool size.
 343         (select_num_pools): Increase number of pools by one unless it exactly
 344         matches requested largest_required_pool_block.
 345         (__pool_resource::_M_alloc_pools()): Make largest pool size equal
 346         largest_required_pool_block.
 347         * testsuite/20_util/unsynchronized_pool_resource/options.cc: Check
 348         that pool_options::largest_required_pool_block is set appropriately.
 349
 350         * src/c++17/memory_resource.cc (big_block): Improve comments.
 351         (big_block::all_ones): Remove.
 352         (big_block::big_block(size_t, size_t)): Use alloc_size.
 353         (big_block::size()): Add comment, replace all_ones with equivalent
 354         expression.
 355         (big_block::align()): Shift value of correct type.
 356         (big_block::alloc_size(size_t)): New function to round up size.
 357         (__pool_resource::allocate(size_t, size_t)): Add comment.
 358         (__pool_resource::deallocate(void*, size_t, size_t)): Likewise. Fix
 359         incorrect assertion by using big_block::alloc_size(size_t).
 360         * testsuite/20_util/unsynchronized_pool_resource/allocate.cc: Add
 361         more tests for unpooled allocations.
 362
 363         * src/c++17/memory_resource.cc (bitset::full()): Handle edge case
 364         for _M_next_word maximum value.
 365         (bitset::get_first_unset(), bitset::set(size_type)): Use
 366         update_next_word() to update _M_next_word.
 367         (bitset::update_next_word()): New function, avoiding wraparound of
 368         unsigned _M_next_word member.
 369         (bitset::max_word_index()): New function.
 370         (chunk::chunk(void*, uint32_t, void*, size_t)): Add assertion.
 371         (chunk::max_bytes_per_chunk()): New function.
 372         (pool::replenish(memory_resource*, const pool_options&)): Prevent
 373         _M_blocks_per_chunk from exceeding max_blocks_per_chunk or from
 374         causing chunk::max_bytes_per_chunk() to be exceeded.
 375         * testsuite/20_util/unsynchronized_pool_resource/allocate-max-chunks.cc:
 376         New test.
 377
 378 2018-11-12  Jason Merrill  <jason@redhat.com>
 379
 380         * libsupc++/new (std::destroying_delete_t): New.
 381
 382 2018-11-12  Jonathan Wakely  <jwakely@redhat.com>
 383
 384         PR libstdc++/87963
 385         * src/c++17/memory_resource.cc (chunk::_M_bytes): Change type from
 386         unsigned to uint32_t.
 387         (chunk): Fix static assertion for 64-bit targets that aren't LP64.
 388         (bigblock::all_ones): Fix undefined shift.
 389
 390 2018-11-11  Hans-Peter Nilsson  <hp@axis.com>
 391
 392         PR libstdc++-v3/54005
 393         * include/bits/atomic_base.h (__atomic_base<_TTp>::is_lock_free(),
 394         __atomic_base<_PTp*>::is_lock_free()): Call __atomic_is_lock_free
 395         with the type-derived _S_alignment instead of __alignof the object.
 396         * include/std/atomic (atomic<T>::is_lock_free()): Likewise.
 397
 398 2018-11-11  Jonathan Wakely  <jwakely@redhat.com>
 399
 400         Implement P0318R1 unwrap_ref_decay and unwrap_reference
 401         * include/std/type_traits (unwrap_reference, unwrap_reference_t)
 402         (unwrap_ref_decay, unwrap_ref_decay_t): New traits and aliases.
 403         * testsuite/20_util/unwrap_reference/1.cc: New test.
 404         * testsuite/20_util/unwrap_reference/2.cc: New test.
 405
 406         Implement P1007R3 std::assume_aligned
 407         * include/std/memory (assume_aligned): Implement for C++17.
 408         * testsuite/20_util/assume_aligned/1.cc: New test.
 409         * testsuite/20_util/assume_aligned/2_neg.cc: New test.
 410         * testsuite/20_util/assume_aligned/3.cc: New test.
 411
 412 2018-11-09  Jonathan Wakely  <jwakely@redhat.com>
 413
 414         PR libstdc++/87787
 415         * include/bits/stl_uninitialized.h (__relocate_a_1): Do not call
 416         memmove when there's nothing to copy (and pointers could be null).
 417
 418 2018-11-07  Hafiz Abid Qadeer  <abidh@codesourcery.com>
 419
 420         * configure: Regenerated.
 421
 422 2018-11-07  Jonathan Wakely  <jwakely@redhat.com>
 423
 424         * config/abi/pre/gnu.ver: Fix patterns for size_t parameters.
 425
 426 2018-11-06  Jonathan Wakely  <jwakely@redhat.com>
 427
 428         Implement std::pmr::unsynchronized_pool_resource
 429         * config/abi/pre/gnu.ver: Add new symbols.
 430         * include/std/memory_resource (std::pmr::__pool_resource): New class.
 431         (std::pmr::unsynchronized_pool_resource): New class.
 432         * src/c++17/Makefile.am: Add -fimplicit-templates to flags for
 433         memory_resource.cc
 434         * src/c++17/Makefile.in: Regenerate.
 435         * src/c++17/memory_resource.cc (bitset, chunk, big_block): New
 436         internal classes.
 437         (__pool_resource::_Pool): Define new class.
 438         (munge_options, pool_index, select_num_pools): New internal functions.
 439         (__pool_resource::__pool_resource, __pool_resource::~__pool_resource)
 440         (__pool_resource::allocate, __pool_resource::deallocate)
 441         (__pool_resource::_M_alloc_pools): Define member functions.
 442         (unsynchronized_pool_resource::unsynchronized_pool_resource)
 443         (unsynchronized_pool_resource::~unsynchronized_pool_resource)
 444         (unsynchronized_pool_resource::release)
 445         (unsynchronized_pool_resource::_M_find_pool)
 446         (unsynchronized_pool_resource::do_allocate)
 447         (unsynchronized_pool_resource::do_deallocate): Define member
 448         functions.
 449         * testsuite/20_util/unsynchronized_pool_resource/allocate.cc: New
 450         test.
 451         * testsuite/20_util/unsynchronized_pool_resource/is_equal.cc: New
 452         test.
 453         * testsuite/20_util/unsynchronized_pool_resource/options.cc: New
 454         test.
 455         * testsuite/20_util/unsynchronized_pool_resource/release.cc: New
 456         test.
 457
 458 2018-11-06  John Bytheway  <jbytheway@gmail.com>
 459
 460         PR libstdc++/87872
 461         * include/debug/safe_sequence.tcc
 462         (_Safe_sequence<>::_M_transfer_from_if): Skip transfer to self.
 463
 464 2018-10-31  Joseph Myers  <joseph@codesourcery.com>
 465
 466         PR bootstrap/82856
 467         * Makefile.am: Include multilib.am.
 468         * configure.ac: Remove AC_PREREQ.
 469         * Makefile.in, aclocal.m4, configure, doc/Makefile.in,
 470         include/Makefile.in, libsupc++/Makefile.in, po/Makefile.in,
 471         python/Makefile.in, src/Makefile.in, src/c++11/Makefile.in,
 472         src/c++17/Makefile.in, src/c++98/Makefile.in,
 473         src/filesystem/Makefile.in, testsuite/Makefile.in: Regenerate.
 474
 475 2018-10-31  Jonathan Wakely  <jwakely@redhat.com>
 476
 477         * testsuite/20_util/pair/87822.cc: Test deeper nesting.
 478
 479         PR libstdc++/87822
 480         * include/bits/stl_pair.h (__pair_base): Change to class template.
 481         (pair): Make base class type depend on template parameters.
 482         * testsuite/20_util/pair/87822.cc: New test.
 483
 484 2018-10-30  Marek Polacek  <polacek@redhat.com>
 485
 486         Implement P0892R2, explicit(bool).
 487         * testsuite/20_util/any/cons/explicit.cc: Adjust dg-error.
 488         * testsuite/20_util/pair/cons/explicit_construct.cc: Likewise.
 489         * testsuite/20_util/tuple/cons/explicit_construct.cc: Likewise.
 490
 491 2018-10-30  Jonathan Wakely  <jwakely@redhat.com>
 492
 493         PR libstdc++/87809
 494         * include/bits/forward_list.h (_Fwd_list_impl::_Fwd_list_impl()): Use
 495         trait in exception-specification instead of possibly invalid
 496         expression.
 497         * include/bits/stl_bvector.h (_Bvector_impl::_Bvector_impl()):
 498         Likewise.
 499         * include/bits/stl_list.h (_List_impl::_List_impl()): Likewise.
 500         * include/bits/stl_vector.h (_Vector_impl::_Vector_impl()): Likewise.
 501         * testsuite/23_containers/forward_list/cons/87809.cc: New test.
 502         * testsuite/23_containers/list/cons/87809.cc: New test.
 503         * testsuite/23_containers/vector/bool/cons/87809.cc: New test.
 504         * testsuite/23_containers/vector/cons/87809.cc: New test.
 505
 506         PR libstdc++/87784
 507         * include/tr2/dynamic_bitset (dynamic_bitset::push_back): When there
 508         are no unused bits in the last block, append a new block with the
 509         right value so the bit doesn't need to be set. Only increment size
 510         after setting the new bit, not before.
 511         * testsuite/tr2/dynamic_bitset/pr87784.cc: New test.
 512
 513 2018-10-29  David Malcolm  <dmalcolm@redhat.com>
 514
 515         * testsuite/17_intro/using_namespace_std_exp_neg.cc: Remove
 516         "expected namespace-name before" error.
 517         * testsuite/17_intro/using_namespace_std_tr1_neg.cc: Likewise.
 518
 519 2018-10-28  François Dumont  <fdumont@gcc.gnu.org>
 520
 521         * testsuite/23_containers/deque/48101_neg.cc: Remove dg-prune-output
 522         'std' from regex pattern for versioned namespace compatibility.
 523         * testsuite/23_containers/vector/48101_neg.cc: Likewise.
 524         * testsuite/27_io/filesystem/path/io/dr2989.cc: Likewise.
 525
 526 2018-10-25  Jonathan Wakely  <jwakely@redhat.com>
 527
 528         PR libstdc++/87749
 529         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
 530         (basic_string::operator=(basic_string&&)): For short strings copy the
 531         buffer inline. Only fall back to using assign(const basic_string&) to
 532         do a deep copy when reallocation is needed.
 533         * testsuite/21_strings/basic_string/modifiers/assign/char/87749.cc:
 534         New test.
 535         * testsuite/21_strings/basic_string/modifiers/assign/char/
 536         move_assign_optim.cc: New test.
 537         * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/87749.cc:
 538         New test.
 539         * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
 540         move_assign_optim.cc: New test.
 541
 542 2018-10-25  Marc Glisse  <marc.glisse@inria.fr>
 543
 544         PR libstdc++/87106
 545         * include/bits/alloc_traits.h (_S_construct, _S_destroy, construct,
 546         destroy): Add noexcept specification.
 547         * include/bits/allocator.h (construct, destroy): Likewise.
 548         * include/ext/alloc_traits.h (construct, destroy): Likewise.
 549         * include/ext/malloc_allocator.h (construct, destroy): Likewise.
 550         * include/ext/new_allocator.h (construct, destroy): Likewise.
 551         * include/bits/stl_uninitialized.h (__relocate_object_a, __relocate_a,
 552         __relocate_a_1): New functions.
 553         (__is_trivially_relocatable): New class.
 554         * include/bits/stl_vector.h (__use_relocate): New static member.
 555         * include/bits/vector.tcc (reserve, _M_realloc_insert,
 556         _M_default_append): Use __relocate_a.
 557         (reserve, _M_assign_aux, _M_realloc_insert, _M_fill_insert,
 558         _M_default_append, _M_range_insert): Move _GLIBCXX_ASAN_ANNOTATE_REINIT
 559         after _Destroy.
 560         * testsuite/23_containers/vector/modifiers/push_back/49836.cc:
 561         Replace CopyConsOnlyType with DelAnyAssign.
 562
 563 2018-10-24  François Dumont  <fdumont@gcc.gnu.org>
 564
 565         * include/debug/safe_unordered_container.h
 566         (_Safe_unordered_container<>::_M_invalidate_locals): Take lambda
 567         parameter type from local end variable.
 568         (_Safe_unordered_container<>::_M_invalidate_all): Likewise.
 569         * include/debug/unordered_map
 570         (unordered_map<>::begin()): Use C++11 direct initialization.
 571         (unordered_map<>::end()): Likewise.
 572         (unordered_map<>::cbegin()): Likewise.
 573         (unordered_map<>::cend()): Likewise.
 574         (unordered_map<>::begin(size_type)): Likewise.
 575         (unordered_map<>::end(size_type)): Likewise.
 576         (unordered_map<>::cbegin(size_type)): Likewise.
 577         (unordered_map<>::cend(size_type)): Likewise.
 578         (unordered_map<>::emplace<>(_Args&&...)): Likewise.
 579         (unordered_map<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 580         (unordered_map<>::insert(const value_type&)): Likewise.
 581         (unordered_map<>::insert(value_type&&)): Likewise.
 582         (unordered_map<>::insert<>(_Pair&&)): Likewise.
 583         (unordered_map<>::insert(const_iterator, const value_type&)): Likewise.
 584         (unordered_map<>::insert(const_iterator, value_type&&)): Likewise.
 585         (unordered_map<>::insert<>(const_iterator, _Pair&&)): Likewise.
 586         (unordered_map<>::try_emplace<>(const key_type&, _Args&&...)): Likewise.
 587         (unordered_map<>::try_emplace<>(key_type&&, _Args&&...)): Likewise.
 588         (unordered_map<>::try_emplace<>(const_iterator, const key_type&,
 589         _Args&&...)): Likewise.
 590         (unordered_map<>::try_emplace<>(const_iterator, key_type&&,
 591         _Args&&...)): Likewise.
 592         (unordered_map<>::insert_or_assign<>(const key_type&, _Obj&&)): Likewise.
 593         (unordered_map<>::insert_or_assign<>(key_type&&, _Obj&&)): Likewise.
 594         (unordered_map<>::insert_or_assign<>(const_iterator, const key_type&,
 595         _Obj&&)): Likewise.
 596         (unordered_map<>::insert_or_assign<>(const_iterator, key_type&&,
 597         _Obj&&)): Likewise.
 598         (unordered_map<>::insert(note_type&&)): Likewise.
 599         (unordered_map<>::find(const key_type&)): Likewise.
 600         (unordered_map<>::equal_range(const key_type&)): Likewise.
 601         (unordered_map<>::_M_extract): New.
 602         (unordered_map<>::extract(const_iterator)): Use latter.
 603         (unordered_map<>::extract(const key_type&)): Likewise.
 604         (unordered_map<>::_M_erase): New.
 605         (unordered_map<>::erase(const key_type&)): Use latter.
 606         (unordered_map<>::erase(const_iterator)): Likewise.
 607         (unordered_map<>::erase(iterator)): Likewise.
 608         (unordered_map<>::_M_invalidate): New.
 609         (unordered_map<>::erase(const_iterator, const_iterator)): Use latter.
 610         (unordered_multimap<>::begin()): Use C++11 direct initialization.
 611         (unordered_multimap<>::end()): Likewise.
 612         (unordered_multimap<>::cbegin()): Likewise.
 613         (unordered_multimap<>::cend()): Likewise.
 614         (unordered_multimap<>::begin(size_type)): Likewise.
 615         (unordered_multimap<>::end(size_type)): Likewise.
 616         (unordered_multimap<>::cbegin(size_type)): Likewise.
 617         (unordered_multimap<>::cend(size_type)): Likewise.
 618         (unordered_multimap<>::emplace<>(_Args&&...)): Likewise.
 619         (unordered_multimap<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 620         (unordered_multimap<>::insert(const value_type&)): Likewise.
 621         (unordered_multimap<>::insert(const_iterator, const value_type&)): Likewise.
 622         (unordered_multimap<>::insert(const_iterator, value_type&&)): Likewise.
 623         (unordered_multimap<>::insert<>(_Pair&&)): Likewise.
 624         (unordered_multimap<>::insert<>(const_iterator, _Pair&&)): Likewise.
 625         (unordered_multimap<>::insert(note_type&&)): Likewise.
 626         (unordered_multimap<>::insert(const_iterator, note_type&&)): Likewise.
 627         (unordered_multimap<>::find(const key_type&)): Likewise.
 628         (unordered_multimap<>::equal_range(const key_type&)): Likewise.
 629         (unordered_multimap<>::_M_extract): New.
 630         (unordered_multimap<>::extract(const_iterator)): Use latter.
 631         (unordered_multimap<>::extract(const key_type&)): Likewise.
 632         (unordered_multimap<>::_M_erase): New.
 633         (unordered_multimap<>::erase(const_iterator)): Likewise.
 634         (unordered_multimap<>::erase(iterator)): Likewise.
 635         (unordered_multimap<>::_M_invalidate): New.
 636         (unordered_multimap<>::erase(const key_type&)): Use latter.
 637         (unordered_multimap<>::erase(const_iterator, const_iterator)): Likewise.
 638         * include/debug/unordered_set
 639         (unordered_set<>::begin()): Use C++11 direct initialization.
 640         (unordered_set<>::end()): Likewise.
 641         (unordered_set<>::cbegin()): Likewise.
 642         (unordered_set<>::cend()): Likewise.
 643         (unordered_set<>::begin(size_type)): Likewise.
 644         (unordered_set<>::end(size_type)): Likewise.
 645         (unordered_set<>::cbegin(size_type)): Likewise.
 646         (unordered_set<>::cend(size_type)): Likewise.
 647         (unordered_set<>::emplace<>(_Args&&...)): Likewise.
 648         (unordered_set<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 649         (unordered_set<>::insert(const value_type&)): Likewise.
 650         (unordered_set<>::insert(value_type&&)): Likewise.
 651         (unordered_set<>::insert(const_iterator, const value_type&)): Likewise.
 652         (unordered_set<>::insert(const_iterator, value_type&&)): Likewise.
 653         (unordered_set<>::insert(note_type&&)): Likewise.
 654         (unordered_set<>::insert(const_iterator, note_type&&)): Likewise.
 655         (unordered_set<>::find(const key_type&)): Likewise.
 656         (unordered_set<>::equal_range(const key_type&)): Likewise.
 657         (unordered_set<>::_M_extract): New.
 658         (unordered_set<>::extract(const_iterator)): Use latter.
 659         (unordered_set<>::extract(const key_type&)): Likewise.
 660         (unordered_set<>::_M_erase): New.
 661         (unordered_set<>::erase(const key_type&)): Use latter.
 662         (unordered_set<>::erase(const_iterator)): Likewise.
 663         (unordered_set<>::erase(iterator)): Likewise.
 664         (unordered_set<>::_M_invalidate): New.
 665         (unordered_set<>::erase(const_iterator, const_iterator)): Use latter.
 666         (unordered_multiset<>::begin()): Use C++11 direct initialization.
 667         (unordered_multiset<>::end()): Likewise.
 668         (unordered_multiset<>::cbegin()): Likewise.
 669         (unordered_multiset<>::cend()): Likewise.
 670         (unordered_multiset<>::begin(size_type)): Likewise.
 671         (unordered_multiset<>::end(size_type)): Likewise.
 672         (unordered_multiset<>::cbegin(size_type)): Likewise.
 673         (unordered_multiset<>::cend(size_type)): Likewise.
 674         (unordered_multiset<>::emplace<>(_Args&&...)): Likewise.
 675         (unordered_multiset<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 676         (unordered_multiset<>::insert(const value_type&)): Likewise.
 677         (unordered_multiset<>::insert(const_iterator, const value_type&)): Likewise.
 678         (unordered_multiset<>::insert(value_type&&)): Likewise.
 679         (unordered_multiset<>::insert(const_iterator, value_type&&)): Likewise.
 680         (unordered_multiset<>::insert(node_type&&)): Likewise.
 681         (unordered_multiset<>::insert(const_iterator, node_type&&)): Likewise.
 682         (unordered_multiset<>::find(const key_type&)): Likewise.
 683         (unordered_multiset<>::equal_range(const key_type&)): Likewise.
 684         (unordered_multiset<>::_M_extract): New.
 685         (unordered_multiset<>::extract(const_iterator)): Use latter.
 686         (unordered_multiset<>::extract(const key_type&)): Likewise.
 687         (unordered_multiset<>::_M_erase): New.
 688         (unordered_multiset<>::erase(const_iterator)): Likewise.
 689         (unordered_multiset<>::erase(iterator)): Likewise.
 690         (unordered_multiset<>::_M_invalidate): New.
 691         (unordered_multiset<>::erase(const key_type&)): Use latter.
 692         (unordered_multiset<>::erase(const_iterator, const_iterator)): Likewise.
 693
 694         * include/c_global/cstddef: Add versioned namespace.
 695
 696 2018-10-23  Jonathan Wakely  <jwakely@redhat.com>
 697
 698         PR libstdc++/87704
 699         * include/bits/unique_ptr.h (unique_ptr::unique_ptr(nullptr_t)): Do
 700         not delegate to default constructor.
 701         (unique_ptr<T[], D>::unique_ptr(nullptr_t)): Likewise.
 702         * testsuite/20_util/unique_ptr/cons/incomplete.cc: New test.
 703
 704 2018-10-20  François Dumont  <fdumont@gcc.gnu.org>
 705
 706         * testsuite/util/testsuite_containers.h
 707         (forward_members_unordered<>::forward_members_unordered
 708         (const value_type&)): Add local_iterator pre and post increment checks.
 709         * config/abi/pre/gnu.ver: Add GLIBCXX_3.4.26 new symbol.
 710
 711 2018-10-19  Jonathan Wakely  <jwakely@redhat.com>
 712
 713         * testsuite/23_containers/array/requirements/explicit_instantiation/
 714         3.cc: Skip test when compiled with a -std=c++NN strict mode.
 715         * testsuite/23_containers/deque/requirements/explicit_instantiation/
 716         3.cc: Likewise.
 717         * testsuite/23_containers/forward_list/requirements/
 718         explicit_instantiation/3.cc: Likewise.
 719         * testsuite/23_containers/list/requirements/explicit_instantiation/
 720         3.cc: Likewise.
 721         * testsuite/23_containers/map/requirements/explicit_instantiation/
 722         3.cc: Likewise.
 723         * testsuite/23_containers/multimap/requirements/explicit_instantiation/
 724         3.cc: Likewise.
 725         * testsuite/23_containers/multiset/requirements/explicit_instantiation/
 726         3.cc: Likewise.
 727         * testsuite/23_containers/set/requirements/explicit_instantiation/
 728         3.cc: Likewise.
 729         * testsuite/23_containers/unordered_map/requirements/
 730         explicit_instantiation/3.cc: Likewise.
 731         * testsuite/23_containers/unordered_multimap/requirements/
 732         explicit_instantiation/3.cc: Likewise.
 733         * testsuite/23_containers/unordered_multiset/requirements/
 734         explicit_instantiation/3.cc: Likewise.
 735         * testsuite/23_containers/unordered_set/requirements/
 736         explicit_instantiation/3.cc: Likewise.
 737         * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
 738         3.cc: Likewise.
 739         * testsuite/23_containers/vector/requirements/explicit_instantiation/
 740         3.cc: Likewise.
 741
 742         * testsuite/23_containers/deque/48101_neg.cc: Prune additional errors
 743         printed when __STRICT_ANSI__ is defined.
 744         * testsuite/23_containers/forward_list/48101_neg.cc: Likewise.
 745         * testsuite/23_containers/list/48101_neg.cc: Likewise.
 746         * testsuite/23_containers/multiset/48101_neg.cc: Likewise.
 747         * testsuite/23_containers/set/48101_neg.cc: Likewise.
 748         * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
 749         * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
 750         * testsuite/23_containers/vector/48101_neg.cc: Likewise.
 751
 752         * testsuite/23_containers/forward_list/requirements/
 753         explicit_instantiation/5.cc [__STRICT_ANSI__]: Don't test non-standard
 754         extension.
 755         * testsuite/23_containers/list/requirements/explicit_instantiation/
 756         5.cc [__STRICT_ANSI__]: Likewise.
 757         * testsuite/23_containers/map/requirements/explicit_instantiation/5.cc
 758         [__STRICT_ANSI__]: Likewise.
 759         * testsuite/23_containers/multimap/requirements/explicit_instantiation/
 760         5.cc [__STRICT_ANSI__]: Likewise.
 761         * testsuite/23_containers/multiset/requirements/explicit_instantiation/
 762         5.cc [__STRICT_ANSI__]: Likewise.
 763         * testsuite/23_containers/set/requirements/explicit_instantiation/5.cc
 764         [__STRICT_ANSI__]: Likewise.
 765         * testsuite/23_containers/unordered_map/requirements/debug_container.cc
 766         [__STRICT_ANSI__]: Likewise.
 767         * testsuite/23_containers/unordered_map/requirements/
 768         explicit_instantiation/5.cc [__STRICT_ANSI__]: Likewise.
 769         * testsuite/23_containers/unordered_multimap/requirements/
 770         explicit_instantiation/5.cc [__STRICT_ANSI__]: Likewise.
 771         * testsuite/23_containers/unordered_multiset/requirements/
 772         explicit_instantiation/5.cc [__STRICT_ANSI__]: Likewise.
 773         * testsuite/23_containers/unordered_set/requirements/
 774         explicit_instantiation/5.cc [__STRICT_ANSI__]: Likewise.
 775
 776         * testsuite/20_util/scoped_allocator/1.cc: Use allocator with correct
 777         value type for the container.
 778         * testsuite/23_containers/forward_list/cons/14.cc: Likewise.
 779         * testsuite/23_containers/map/56613.cc: Likewise.
 780         * testsuite/23_containers/unordered_map/55043.cc: Likewise.
 781         * testsuite/23_containers/unordered_map/allocator/copy.cc: Likewise.
 782         * testsuite/23_containers/unordered_map/allocator/copy_assign.cc:
 783         Likewise.
 784         * testsuite/23_containers/unordered_map/allocator/minimal.cc:
 785         Likewise.
 786         * testsuite/23_containers/unordered_map/allocator/move.cc: Likewise.
 787         * testsuite/23_containers/unordered_map/allocator/move_assign.cc:
 788         Likewise.
 789         * testsuite/23_containers/unordered_map/allocator/noexcept.cc:
 790         Likewise.
 791         * testsuite/23_containers/unordered_map/cons/81891.cc: Likewise.
 792         * testsuite/23_containers/unordered_map/requirements/exception/
 793         basic.cc: Likewise.
 794         * testsuite/23_containers/unordered_map/requirements/exception/
 795         generation_prohibited.cc: Likewise.
 796         * testsuite/23_containers/unordered_map/requirements/exception/
 797         propagation_consistent.cc: Likewise.
 798         * testsuite/23_containers/unordered_multimap/55043.cc: Likewise.
 799         * testsuite/23_containers/unordered_multimap/allocator/copy.cc:
 800         Likewise.
 801         * testsuite/23_containers/unordered_multimap/allocator/copy_assign.cc:
 802         Likewise.
 803         * testsuite/23_containers/unordered_multimap/allocator/minimal.cc:
 804         Likewise.
 805         * testsuite/23_containers/unordered_multimap/allocator/move.cc:
 806         Likewise.
 807         * testsuite/23_containers/unordered_multimap/allocator/move_assign.cc:
 808         Likewise.
 809         * testsuite/23_containers/unordered_multimap/allocator/noexcept.cc:
 810         Likewise.
 811         * testsuite/23_containers/unordered_multimap/requirements/exception/
 812         basic.cc: Likewise.
 813         * testsuite/23_containers/unordered_multimap/requirements/exception/
 814         generation_prohibited.cc: Likewise.
 815         * testsuite/23_containers/unordered_multimap/requirements/exception/
 816         propagation_consistent.cc: Likewise.
 817         * testsuite/23_containers/unordered_multimap/requirements/
 818         explicit_instantiation/5.cc: Likewise.
 819         * testsuite/ext/malloc_allocator/sanity.cc: Likewise.
 820
 821         * ext/special_functions/airy_ai/check_nan.cc: Skip test for
 822         non-standard extension when a strict -std=c++NN dialect is used.
 823         * ext/special_functions/airy_ai/check_value.cc: Likewise.
 824         * ext/special_functions/airy_ai/compile.cc: Likewise.
 825         * ext/special_functions/airy_bi/check_nan.cc: Likewise.
 826         * ext/special_functions/airy_bi/check_value.cc: Likewise.
 827         * ext/special_functions/airy_bi/compile.cc: Likewise.
 828         * ext/special_functions/conf_hyperg/check_nan.cc: Likewise.
 829         * ext/special_functions/conf_hyperg/check_value.cc: Likewise.
 830         * ext/special_functions/conf_hyperg/compile.cc: Likewise.
 831         * ext/special_functions/hyperg/check_nan.cc: Likewise.
 832         * ext/special_functions/hyperg/check_value.cc: Likewise.
 833         * ext/special_functions/hyperg/compile.cc: Likewise.
 834
 835         * testsuite/23_containers/list/requirements/explicit_instantiation/
 836         5_c++0x.cc: Remove redundant test that is functionally identical to
 837         the 5.cc test.
 838         * testsuite/23_containers/map/requirements/explicit_instantiation/
 839         5_c++0x.cc: Likewise.
 840         * testsuite/23_containers/multimap/requirements/explicit_instantiation/
 841         5_c++0x.cc: Likewise.
 842         * testsuite/23_containers/multiset/requirements/explicit_instantiation/
 843         5_c++0x.cc: Likewise.
 844         * testsuite/23_containers/set/requirements/explicit_instantiation/
 845         5_c++0x.cc: Likewise.
 846
 847         * include/bits/regex_executor.tcc (_Backref_matcher::_M_apply): Use
 848         _GLIBCXX_STD_A to refer to normal mode algorithms.
 849         * testsuite/28_regex/headers/regex/parallel_mode.cc: New test.
 850         * testsuite/28_regex/headers/regex/std_c++0x_neg.cc: Remove empty
 851         whitespace.
 852
 853         * include/debug/map.h (map::erase(iterator)): Add abi-tag so that
 854         C++11 version mangles differently from incompatible C++98 version.
 855         * include/debug/multimap.h (multimap::erase(iterator)): Likewise.
 856         * include/debug/multiset.h (multiset::erase(iterator))
 857         (multiset::erase(const_iterator, const_iterator)): Likewise.
 858         * include/debug/set.h (set::erase(iterator))
 859         (multiset::erase(const_iterator, const_iterator)): Likewise.
 860
 861 2018-10-18  Jonathan Wakely  <jwakely@redhat.com>
 862
 863         * testsuite/20_util/duration/cons/2.cc: Add -ffloat-store to fix
 864         failure when compiled without optimisation.
 865         * testsuite/ext/profile/mutex_extensions_neg.cc: Prune additional
 866         errors caused by C++17 std::pmr alias templates.
 867
 868         PR libstdc++/87642
 869         * config/locale/gnu/monetary_members.cc
 870         (moneypunct<char, true>::_M_initialize_moneypunct): Use
 871         __narrow_multibyte_chars to convert multibyte thousands separators
 872         to a single char.
 873         * config/locale/gnu/numeric_members.cc
 874         (numpunct<char>::_M_initialize_numpunct): Likewise.
 875         (__narrow_multibyte_chars): New function.
 876
 877         PR libstdc++/87641
 878         * include/bits/valarray_array.h (__valarray_sum): Use first element
 879         to initialize accumulator instead of value-initializing it.
 880         (__valarray_product<_Tp>): Move to ...
 881         * src/c++98/valarray.cc (__valarray_product<_Tp>): Here. Use first
 882         element to initialize accumulator.
 883         (__valarray_product(const valarray<size_t>&)): Remove const_cast made
 884         unnecessary by LWG 389.
 885         * testsuite/26_numerics/valarray/87641.cc: New test.
 886
 887 2018-10-18  François Dumont  <fdumont@gcc.gnu.org>
 888
 889         Partial revert.
 890         2018-10-08  François Dumont  <fdumont@gcc.gnu.org>
 891
 892         * include/debug/list (list<>::cbegin()): Use C++11 direct
 893         initialization.
 894         (list<>::cend()): Likewise.
 895         (list<>::erase(const_iterator, const_iterator)): Ensure consistent
 896         iterator comparisons.
 897         (list<>::splice(const_iterator, list&&, const_iterator,
 898         const_iterator)): Likewise.
 899
 900         Partial revert.
 901         2018-10-15  François Dumont  <fdumont@gcc.gnu.org>
 902
 903         * include/debug/vector (vector<>::cbegin()): Use C++11 direct
 904         initialization.
 905         (vector<>::cend()): Likewise.
 906         (vector<>::insert(const_iterator, const _Tp&)): Use consistent
 907         iterator comparison.
 908         (vector<>::erase(const_iterator)): Likewise.
 909         (vector<>::erase(const_iterator, const_iterator)): Likewise.
 910
 911 2018-10-17  Ville Voutilainen  <ville.voutilainen@gmail.com>
 912
 913         PR libstdc++/87619
 914         * include/std/variant (__select_index): Fix an off-by-one.
 915         * testsuite/20_util/variant/87619.cc: New.
 916
 917 2018-10-16  Jonathan Wakely  <jwakely@redhat.com>
 918
 919         * include/bits/random.h (random_device) [!_GLIBCXX_USE_DEV_RANDOM]:
 920         Fix default constructor to call correct function.
 921
 922         * testsuite/experimental/net/internet/address/v4/creation.cc: Do not
 923         declare ip in global namespace, to avoid collision with struct ip
 924         defined in <netinet/ip.h>.
 925
 926         * include/experimental/bits/net.h: Move versioned namespace macros
 927         to correct location.
 928         * include/experimental/buffer: Likewise.
 929         * include/experimental/executor: Likewise.
 930         * include/experimental/internet: Likewise.
 931         * include/experimental/io_context: Likewise.
 932         * include/experimental/netfwd: Likewise.
 933         * include/experimental/socket: Likewise.
 934         * include/experimental/timer: Likewise.
 935
 936         * config.h.in: Regenerate.
 937         * configure: Regenerate.
 938         * configure.ac: Check for headers used by Networking TS.
 939         * include/experimental/executor: Include <condition_variable>
 940         instead of <mutex>.
 941         * include/experimental/internet: Use autoconf macros for available
 942         headers.  Include <sys/socket.h> for.  Remove <cstring> and use
 943         __builtin_memcpy and __builtin_strchr.
 944         (resolver_errc) [!_GLIBCXX_HAVE_NETDB_H]: Do not define.
 945         (address_v4::to_string, address_v6::to_string)
 946         [!_GLIBCXX_HAVE_ARPA_INET_H]: Likewise.
 947         (basic_resolver_results) [!_GLIBCXX_HAVE_NETDB_H]: Make private
 948         constructors report errors.
 949         [!_GLIBCXX_HAVE_NETINET_TCP_H] (tcp::no_delay): Do not define.
 950         * include/experimental/io_context: Likewise.
 951         * include/experimental/socket: Likewise.
 952         [!_GLIBCXX_HAVE_SYS_SOCKET_H, !_GLIBCXX_HAVE_POLL_H] (socket_base): Do
 953         not define nested types when relevant header not available.
 954         (__socket_impl::native_non_blocking) [!_GLIBCXX_HAVE_FCNTL_H]: Report
 955         an error.
 956         (__basic_socket_impl::open, __basic_socket_impl::local_endpoint)
 957         (__basic_socket_impl::bind) [!_GLIBCXX_HAVE_SYS_SOCKET_H]: Likewise.
 958         (__basic_socket_impl::io_control) [!_GLIBCXX_HAVE_SYS_IOCTL_H]:
 959         Likewise.
 960         (basic_socket::at_mark, basic_socket::shutdown)
 961         (basic_socket::remote_endpoint, basic_socket::connect)
 962         (basic_socket::async_connect) [!_GLIBCXX_HAVE_SYS_SOCKET_H]: Likewise.
 963         (basic_socket::available) [_GLIBCXX_HAVE_SYS_IOCTL_H]: Check macro
 964         for <sys/ioctl.h> availability.
 965         (basic_socket::wait) [!_GLIBCXX_HAVE_POLL_H]: Likewise.
 966         (basic_datagram_socket::receive, basic_datagram_socket::async_receive)
 967         (basic_datagram_socket::receive_from)
 968         (basic_datagram_socket::async_receive_from)
 969         (basic_datagram_socket::send, basic_datagram_socket::async_send)
 970         (basic_datagram_socket::send_to, basic_datagram_socket::async_send_to)
 971         [!_GLIBCXX_HAVE_SYS_SOCKET_H]: Likewise.
 972         (basic_stream_socket::receive, basic_stream_socket::async_receive)
 973         (basic_stream_socket::send, basic_stream_socket::async_send)
 974         [!_GLIBCXX_HAVE_SYS_SOCKET_H]: Likewise.
 975         (basic_socket_acceptor::listen, basic_socket_acceptor::accept)
 976         (basic_socket_acceptor::async_accept) [!_GLIBCXX_HAVE_SYS_SOCKET_H]:
 977         Likewise.
 978         (basic_socket_acceptor::wait) [!_GLIBCXX_HAVE_POLL_H]: Likewise.
 979
 980         * testsuite/experimental/net/headers.cc: Remove dg-options.
 981         * testsuite/experimental/net/buffer/arithmetic.cc: Replace dg-options
 982         with dg-do using effective target.
 983         * testsuite/experimental/net/buffer/const.cc: Likewise.
 984         * testsuite/experimental/net/buffer/creation.cc: Likewise.
 985         * testsuite/experimental/net/buffer/mutable.cc: Likewise.
 986         * testsuite/experimental/net/buffer/size.cc: Likewise.
 987         * testsuite/experimental/net/buffer/traits.cc: Likewise.
 988         * testsuite/experimental/net/execution_context/use_service.cc:
 989         Likewise.
 990         * testsuite/experimental/net/internet/address/v4/comparisons.cc:
 991         Likewise.
 992         * testsuite/experimental/net/internet/address/v4/cons.cc: Likewise.
 993         * testsuite/experimental/net/internet/address/v4/creation.cc:
 994         Likewise.
 995         * testsuite/experimental/net/internet/address/v4/members.cc: Likewise.
 996         * testsuite/experimental/net/internet/resolver/base.cc: Likewise.
 997         * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
 998         Likewise.
 999         * testsuite/experimental/net/internet/resolver/ops/reverse.cc:
1000         Likewise.
1001         * testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
1002         * testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
1003         * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
1004
1005         * include/experimental/socket (basic_socket::at_mark): Add missing
1006         return.
1007
1008         * acinclude.m4 (GLIBCXX_CHECK_RANDOM_TR1): Replace with ...
1009         (GLIBCXX_CHECK_DEV_RANDOM): New macro with more descriptive name.
1010         Define _GLIBCXX_USE_DEV_RANDOM as well as _GLIBCXX_USE_RANDOM_TR1.
1011         * config.h.in: Regenerate.
1012         * configure: Regenerate.
1013         * configure.ac: Use GLIBCXX_CHECK_DEV_RANDOM instead of
1014         GLIBCXX_CHECK_RANDOM_TR1.
1015         crossconfig.m4: Likewise.
1016         * include/bits/random.h (random_device): Use _GLIBCXX_USE_DEV_RANDOM
1017         instead of _GLIBCXX_USE_RANDOM_TR1.
1018         * testsuite/26_numerics/random/random_device/cons/token.cc: Likewise.
1019
1020 2018-10-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1021
1022         * testsuite/lib/dg-options.exp (add_options_for_net_ts): New proc.
1023         * testsuite/experimental/net/internet/address/v4/comparisons.cc:
1024         Add dg-add-options net_ts.
1025         * testsuite/experimental/net/internet/address/v4/cons.cc: Likewise.
1026         * testsuite/experimental/net/internet/address/v4/creation.cc: Likewise.
1027         * testsuite/experimental/net/internet/address/v4/members.cc: Likewise.
1028         * testsuite/experimental/net/internet/resolver/base.cc: Likewise.
1029         * testsuite/experimental/net/internet/resolver/ops/lookup.cc: Likewise.
1030         * testsuite/experimental/net/internet/resolver/ops/reverse.cc: Likewise.
1031
1032 2018-10-16  Jonathan Wakely  <jwakely@redhat.com>
1033
1034         * testsuite/20_util/duration/literals/range_neg.cc: Adjust pruned
1035         diagnostic to account for quotes around 'constexpr'.
1036         * testsuite/23_containers/deque/capacity/max_size.cc: Define static
1037         variable.
1038         * testsuite/23_containers/vector/capacity/max_size.cc: Likewise.
1039
1040         PR libstdc++/87618
1041         * config/abi/pre/gnu.ver: Fix typos in patterns for basic_stringbuf.
1042         * testsuite/27_io/basic_stringbuf/cons/char/default.cc: Disable
1043         optimisation to check constructor definition can be linked to.
1044         * testsuite/27_io/basic_stringbuf/cons/wchar_t/default.cc: Likewise.
1045
1046 2018-10-15  Jonathan Wakely  <jwakely@redhat.com>
1047
1048         * testsuite/22_locale/numpunct/members/char/3.cc: Adjust test to
1049         account for change to glibc it_IT localedata (glibc bz#10797).
1050
1051         PR libstdc++/87587
1052         * src/c++11/cxx11-shim_facets.cc: Suppress -Wabi warnings.
1053
1054 2018-10-15  François Dumont  <fdumont@gcc.gnu.org>
1055
1056         * include/debug/vector (vector<>::cbegin()): Use C++11 direct
1057         initialization.
1058         (vector<>::cend()): Likewise.
1059         (vector<>::emplace(const_iterator, _Args&&...)): Likewise and use
1060         consistent iterator comparison.
1061         (vector<>::insert(const_iterator, size_type, const _Tp&)): Likewise.
1062         (vector<>::insert(const_iterator, _InputIterator, _InputIterator)):
1063         Likewise.
1064         (vector<>::erase(const_iterator)): Likewise.
1065         (vector<>::erase(const_iterator, const_iterator)): Likewise.
1066
1067 2018-10-12  Jonathan Wakely  <jwakely@redhat.com>
1068
1069         Initial commit of Networking TS implementation.
1070         * include/Makefile.am: Add new headers.
1071         * include/Makefile.in: Regenerate.
1072         * include/experimental/bits/net.h: New header for common
1073         implementation details of Networking TS.
1074         * include/experimental/buffer: New header.
1075         * include/experimental/executor: New header.
1076         * include/experimental/internet: New header.
1077         * include/experimental/io_context: New header.
1078         * include/experimental/net: New header.
1079         * include/experimental/netfwd: New header.
1080         * include/experimental/socket: New header.
1081         * include/experimental/timer: New header.
1082         * testsuite/experimental/net/buffer/arithmetic.cc: New test.
1083         * testsuite/experimental/net/buffer/const.cc: New test.
1084         * testsuite/experimental/net/buffer/creation.cc: New test.
1085         * testsuite/experimental/net/buffer/mutable.cc: New test.
1086         * testsuite/experimental/net/buffer/size.cc: New test.
1087         * testsuite/experimental/net/buffer/traits.cc: New test.
1088         * testsuite/experimental/net/execution_context/use_service.cc: New
1089         test.
1090         * testsuite/experimental/net/headers.cc: New test.
1091         * testsuite/experimental/net/internet/address/v4/comparisons.cc: New
1092         test.
1093         * testsuite/experimental/net/internet/address/v4/cons.cc: New test.
1094         * testsuite/experimental/net/internet/address/v4/creation.cc: New
1095         test.
1096         * testsuite/experimental/net/internet/address/v4/members.cc: New
1097         test.
1098         * testsuite/experimental/net/internet/resolver/base.cc: New test.
1099         * testsuite/experimental/net/internet/resolver/ops/lookup.cc: New
1100         test.
1101         * testsuite/experimental/net/internet/resolver/ops/reverse.cc: New
1102         test.
1103         * testsuite/experimental/net/timer/waitable/cons.cc: New test.
1104         * testsuite/experimental/net/timer/waitable/dest.cc: New test.
1105         * testsuite/experimental/net/timer/waitable/ops.cc: New test.
1106
1107         PR libstdc++/77691
1108         * include/experimental/memory_resource (__resource_adaptor_imp): Do
1109         not allocate sizes smaller than alignment when relying on guaranteed
1110         alignment.
1111         * testsuite/experimental/memory_resource/new_delete_resource.cc:
1112         Adjust expected number of bytes allocated for alignof(max_align_t).
1113
1114 2018-10-11  François Dumont  <fdumont@gcc.gnu.org>
1115
1116         * include/debug/forward_list
1117         (forward_list<>::before_begin()): Use C++11 direct initialization.
1118         (forward_list<>::begin()): Likewise.
1119         (forward_list<>::end()): Likewise.
1120         (forward_list<>::cbefore_begin()): Likewise.
1121         (forward_list<>::cbegin()): Likewise.
1122         (forward_list<>::cend()): Likewise.
1123         (forward_list<>::emplace_after<>(const_iterator, _Args&&...)): Likewise.
1124         (forward_list<>::insert_after(const_iterator, const _Tp&)): Likewise.
1125         (forward_list<>::insert_after(const_iterator, _Tp&&)): Likewise.
1126         (forward_list<>::insert_after(const_iterator, size_type, const _Tp&)):
1127         Likewise.
1128         (forward_list<>::insert_after(const_iterator, initializer_list<>)):
1129         Likewise.
1130         (forward_list<>::erase_after(const_iterator)): Likewise.
1131         (forward_list<>::erase_after(const_iterator, const_iterator)): Likewise
1132         and ensure consistent iterator comparison.
1133
1134         * include/bits/forward_list.h
1135         (_Fwd_list_iterator<>::operator==): Replace member function with inline
1136         friend.
1137         (_Fwd_list_iterator<>::operator!=): Likewise.
1138         (_Fwd_list_const_iterator<>::operator==): Likewise.
1139         (_Fwd_list_const_iterator<>::operator!=): Likewise.
1140         (operator==(const _Fwd_list_iterator<>&,
1141         const _Fwd_list_const_iterator<>&)): Remove.
1142         (operator!=(const _Fwd_list_iterator<>&,
1143         const _Fwd_list_const_iterator<>&)): Remove.
1144         (forward_list<>::_Node): Take typedef from base type.
1145         (forward_list<>::iterator): Likewise.
1146         (forward_list<>::const_iterator): Likewise.
1147
1148 2018-10-11  Jonathan Wakely  <jwakely@redhat.com>
1149
1150         PR libstdc++/80538
1151         * src/c++11/thread.cc (this_thread::__sleep_for)
1152         [_GLIBCXX_HAVE_SLEEP]: Only call sleep for non-zero values.
1153         Loop while sleep call is interrupted and until steady_clock
1154         shows requested duration has elapsed.
1155         (!_GLIBCXX_HAVE_USLEEP]: Use the _GLIBCXX_HAVE_SLEEP code path, but
1156         avoiding the usleep call.
1157         * testsuite/30_threads/this_thread/60421.cc: Test repeated
1158         signal interruptions.
1159
1160         * include/bits/allocator.h
1161         (operator==(const allocator<_Tp>&, const allocator<_Tp>))
1162         (operator!=(const allocator<_Tp>&, const allocator<_Tp>)): Replace
1163         with inline friends.
1164         * include/ext/debug_allocator.h (operator==, operator!=): Replace
1165         with inline friend functions that compare to rebound allocators.
1166         * include/ext/malloc_allocator.h (operator==, operator!=): Likewise.
1167         * include/ext/new_allocator.h (operator==, operator!=): Likewise.
1168         * testsuite/ext/debug_allocator/eq.cc: New test.
1169         * testsuite/ext/ext_pointer/alloc_eq.cc: New test.
1170         * testsuite/ext/malloc_allocator/eq.cc: New test.
1171         * testsuite/ext/new_allocator/eq.cc: New test.
1172
1173 2018-10-10  Jonathan Wakely  <jwakely@redhat.com>
1174
1175         PR libstdc++/87544
1176         * include/bits/stl_vector.h (vector::_S_max_size): Limit size to
1177         PTRDIFF_MAX / sizeof(value_type).
1178         * include/ext/malloc_allocator.h (malloc_allocator::max_size):
1179         Likewise.
1180         * include/ext/new_allocator.h (new_allocator::max_size): Likewise.
1181         * testsuite/23_containers/vector/allocator/minimal.cc: Adjust
1182         expected value for max_size().
1183         * testsuite/23_containers/vector/capacity/87544.cc: New test.
1184
1185 2018-10-09  François Dumont  <fdumont@gcc.gnu.org>
1186
1187         * include/bits/stl_list.h
1188         (_List_operator<>::operator==): Replace member function with inline
1189         friend.
1190         (_List_operator<>::operator!=): Likewise.
1191         (_List_const_operator<>::operator==): Likewise.
1192         (_List_const_operator<>::operator!=): Likewise.
1193         (operator==(const _List_iterator<>&, const _List_const_iterator<>&)):
1194         Remove.
1195         (operator!=(const _List_iterator<>&, const _List_const_iterator<>&)):
1196         Remove.
1197
1198 2018-10-09  Jonathan Wakely  <jwakely@redhat.com>
1199
1200         * include/bits/stringfwd.h (string, wstring, u16string, u32string):
1201         Define typedefs outside of __cxx11 inline namespace.
1202         * python/libstdcxx/v6/printers.py (register_type_printers): Also
1203         register printers for typedefs in new location.
1204
1205 2018-10-08  Jonathan Wakely  <jwakely@redhat.com>
1206
1207         PR libstdc++/87538
1208         * testsuite/experimental/functional/87538.cc: New test.
1209
1210         PR libstdc++/87538
1211         * include/std/functional (_Not_fn::operator()): Check value of
1212         __is_nothrow_invocable as well.
1213         * testsuite/20_util/function_objects/not_fn/87538.cc: New test.
1214
1215 2018-10-08  François Dumont  <fdumont@gcc.gnu.org>
1216
1217         * include/debug/list (list<>::cbegin()): Use C++11 direct
1218         initialization.
1219         (list<>::cend()): Likewise.
1220         (list<>::emplace<>(const_iterator, _Args&&...)): Likewise.
1221         (list<>::insert(const_iterator, initializer_list<>)): Likewise.
1222         (list<>::insert(const_iterator, size_type, const _Tp&)): Likewise.
1223         (list<>::erase(const_iterator, const_iterator)): Ensure consistent
1224         iterator comparisons.
1225         (list<>::splice(const_iterator, list&&, const_iterator,
1226         const_iterator)): Likewise.
1227
1228 2018-10-05  François Dumont  <fdumont@gcc.gnu.org>
1229
1230         * include/bits/stl_tree.h
1231         (_Rb_tree_iterator<>::operator==): Make inline friend.
1232         (_Rb_tree_iterator<>::operator!=): Likewise.
1233         (_Rb_tree_const_iterator<>::operator==): Likewise.
1234         (_Rb_tree_const_iterator<>::operator!=): Likewise.
1235         (operator==(const _Rb_tree_iterator<>&,
1236         const _Rb_tree_const_iterator&)): Remove.
1237         (operator!=(const _Rb_tree_iterator<>&,
1238         const _Rb_tree_const_iterator&)): Remove.
1239         (operator==(const _Rb_tree<>&, const _Rb_tree<>&)): Make inline friend.
1240         (operator<(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise.
1241         (operator!=(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise and
1242         deprecate.
1243         (operator>(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise.
1244         (operator<=(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise.
1245         (operator>=(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise.
1246         * include/debug/map.h (map<>::erase(const_iterator, const_iterator)):
1247         Compare __victim with _Base::cend().
1248         * include/debug/multimap.h
1249         (multimap<>::erase(const_iterator, const_iterator)): Likewise.
1250         * include/debug/set.h (set<>::erase(const_iterator, const_iterator)):
1251         Compare __victim with _Base::cend().
1252         * include/debug/multiset.h
1253         (multiset<>::erase(const_iterator, const_iterator)): Likewise.
1254
1255 2018-10-03  Jonathan Wakely  <jwakely@redhat.com>
1256
1257         PR libstdc++/59439
1258         * src/c++98/locale.cc (locale::locale(const locale&)): Bypass
1259         reference count updates for the classic locale.
1260         (locale::~locale()): Likewise.
1261         (locale::operator=(const locale&)): Likewise.
1262         * src/c++98/locale_init.cc (locale::locale()): Likewise.
1263         (locale::global(const locale&)): Likewise.
1264
1265 2018-10-03  François Dumont  <fdumont@gcc.gnu.org>
1266
1267         * include/debug/map.h
1268         (map<>::emplace<>(_Args&&...)): Use C++11 direct initialization.
1269         (map<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
1270         (map<>::insert(value_type&&)): Likewise.
1271         (map<>::insert<>(_Pair&&)): Likewise.
1272         (map<>::insert<>(const_iterator, _Pair&&)): Likewise.
1273         (map<>::try_emplace): Likewise.
1274         (map<>::insert_or_assign): Likewise.
1275         (map<>::insert(node_type&&)): Likewise.
1276         (map<>::insert(const_iterator, node_type&&)): Likewise.
1277         (map<>::erase(const_iterator)): Likewise.
1278         (map<>::erase(const_iterator, const_iterator)): Likewise.
1279         * include/debug/multimap.h
1280         (multimap<>::emplace<>(_Args&&...)): Use C++11 direct initialization.
1281         (multimap<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
1282         (multimap<>::insert<>(_Pair&&)): Likewise.
1283         (multimap<>::insert<>(const_iterator, _Pair&&)): Likewise.
1284         (multimap<>::insert(node_type&&)): Likewise.
1285         (multimap<>::insert(const_iterator, node_type&&)): Likewise.
1286         (multimap<>::erase(const_iterator)): Likewise.
1287         (multimap<>::erase(const_iterator, const_iterator)): Likewise.
1288         * include/debug/set.h
1289         (set<>::emplace<>(_Args&&...)): Use C++11 direct initialization.
1290         (set<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
1291         (set<>::insert(value_type&&)): Likewise.
1292         (set<>::insert<>(const_iterator, value_type&&)): Likewise.
1293         (set<>::insert(const_iterator, node_type&&)): Likewise.
1294         (set<>::erase(const_iterator)): Likewise.
1295         (set<>::erase(const_iterator, const_iterator)): Likewise.
1296         * include/debug/multiset.h
1297         (multiset<>::emplace<>(_Args&&...)): Use C++11 direct initialization.
1298         (multiset<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
1299         (multiset<>::insert<>(value_type&&)): Likewise.
1300         (multiset<>::insert<>(const_iterator, value_type&&)): Likewise.
1301         (multiset<>::insert(node_type&&)): Likewise.
1302         (multiset<>::insert(const_iterator, node_type&&)): Likewise.
1303         (multiset<>::erase(const_iterator)): Likewise.
1304         (multiset<>::erase(const_iterator, const_iterator)): Likewise.
1305
1306 2018-10-02  Marc Glisse  <marc.glisse@inria.fr>
1307
1308         PR libstdc++/87258
1309         * include/bits/stl_bvector.h (vector::begin(), vector::cbegin()):
1310         Rebuild _M_start with an explicit 0 offset.
1311
1312 2018-10-02  Jonathan Wakely  <jwakely@redhat.com>
1313
1314         * include/std/variant (__gen_vtable_impl::__visit_invoke): Call __get
1315         directly instead of get, as caller ensures correct index is used.
1316         (holds_alternative, get, get_if): Remove redundant inline specifiers.
1317         (_VARIANT_RELATION_FUNCTION_TEMPLATE): Likewise.
1318
1319 2018-10-02  Joseph Myers  <joseph@codesourcery.com>
1320
1321         * testsuite/lib/libstdc++.exp (libstdc++_init): Use
1322         -fno-show-column in default cxxflags.
1323
1324 2018-10-01  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1325
1326         * config/os/uclibc/os_defines.h (__NO_STRING_INLINES): Delete.
1327
1328 2018-10-01  Gerald Pfeifer  <gerald@pfeifer.com>
1329
1330         * doc/xml/manual/allocator.xml: Adjust link to "Reconsidering
1331         Custom Memory Allocation".
1332
1333 2018-10-01  Jonathan Wakely  <jwakely@redhat.com>
1334
1335         * doc/html/*: Regenerate.
1336
1337 2018-09-30  Gerald Pfeifer  <gerald@pfeifer.com>
1338
1339         * doc/xml/manual/messages.xml: Switch link to www.oracle.com
1340         to https.
1341
1342 2018-09-30  Gerald Pfeifer  <gerald@pfeifer.com>
1343
1344         * doc/xml/manual/policy_data_structures_biblio.xml: Update
1345         link to Microsoft Component Model Object Technologies.
1346
1347 2018-09-29  Gerald Pfeifer  <gerald@pfeifer.com>
1348
1349         * doc/xml/gnu/fdl-1.3.xml: The Free Software Foundation web
1350         site now uses https. Also omit the unnecessary trailing slash.
1351         * doc/xml/gnu/gpl-3.0.xml: Ditto.
1352
1353 2018-09-28  François Dumont  <fdumont@gcc.gnu.org>
1354
1355         * include/debug/functions.h
1356         (__foreign_iterator_aux3(const _Safe_iterator<>&, const _InputeIter&,
1357         const _InputIter&, __true_type)): Use empty() rather than begin() ==
1358         end().
1359
1360 2018-09-25  Mike Crowe  <mac@mcrowe.com>
1361
1362         * include/std/condition_variable (condition_variable::wait_for): Use
1363         steady clock in overload that uses a predicate.
1364
1365 2018-09-25  Jonathan Wakely  <jwakely@redhat.com>
1366
1367         PR libstdc++/87431
1368         * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
1369         Avoid runtime test when all alternatives are scalars and so cannot
1370         throw during initialization.
1371
1372 2018-09-25  Gerald Pfeifer  <gerald@pfeifer.com>
1373
1374         * doc/xml/manual/codecvt.xml: Move link to "UTF-8 and Unicode FAQ"
1375         to https.
1376
1377 2018-09-24  Gerald Pfeifer  <gerald@pfeifer.com>
1378
1379         * doc/xml/manual/policy_data_structures_biblio.xml: Update link
1380         to "Priority Queues and the STL".
1381
1382 2018-09-23  Gerald Pfeifer  <gerald@pfeifer.com>
1383
1384         * doc/xml/manual/using_exceptions.xml: Move boost.orgs link to
1385         https.
1386
1387 2018-09-21  François Dumont  <fdumont@gcc.gnu.org>
1388
1389         PR libstdc++/87135
1390         * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
1391         Use __builtin_floor to compute _M_next_resize.
1392         * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt.
1393         * testsuite/23_containers/unordered_set/hash_policy/prime_rehash.cc:
1394         Adapt.
1395
1396 2018-09-21  Jonathan Wakely  <jwakely@redhat.com>
1397
1398         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: Remove.
1399         * testsuite/26_numerics/headers/cmath/hypot.cc: Restore test for
1400         long double unconditionally, but use lower tolerance when
1401         sizeof(long double) == sizeof(double).
1402
1403 2018-09-20  Christophe Lyon  <christophe.lyon@linaro.org>
1404
1405         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: Skip
1406         on arm*.
1407
1408 2018-09-19  Jonathan Wakely  <jwakely@redhat.com>
1409
1410         * include/bits/regex_automaton.tcc (_StateSeq<_TraitsT>::_M_clone()):
1411         Remove __glibcxx_assert statements and use map::find instead of
1412         map::operator[].
1413
1414 2018-09-18  François Dumont  <fdumont@gcc.gnu.org>
1415
1416         PR libstdc++/87135
1417         * src/c++11/hashtable_c++0x.cc:
1418         (_Prime_rehash_policy::_M_next_bkt): Return a prime no smaller than
1419         requested size, but not necessarily greater.
1420         (_Prime_rehash_policy::_M_need_rehash): Rehash only if target size is
1421         strictly greater than next resize threshold.
1422         * testsuite/23_containers/unordered_map/modifiers/reserve.cc: Adapt test
1423         to validate that there is no rehash as long as number of insertion is
1424         lower or equal to the reserved number of elements.
1425
1426 2018-09-18  Jonathan Wakely  <jwakely@redhat.com>
1427
1428         * include/bits/unique_ptr.h (__uniq_ptr_impl): Remove static assertion
1429         checking invocable condition.
1430         (unique_ptr::~unique_ptr, unique_ptr::reset): Restore static assertion
1431         here, where types must be complete. Pass pointer to deleter as an
1432         rvalue.
1433         * testsuite/20_util/unique_ptr/requirements/incomplete.cc: New test.
1434
1435 2018-09-13  Jonathan Wakely  <jwakely@redhat.com>
1436
1437         * include/std/variant (variant) [__clang__]: Limit workaround to
1438         Clang 7 and older.
1439
1440 2018-09-11  Jonathan Wakely  <jwakely@redhat.com>
1441
1442         PR libstdc++/87278
1443         * include/bits/shared_ptr.h (make_shared): Use remove_cv instead of
1444         remove_const.
1445         * testsuite/20_util/shared_ptr/creation/87278.cc: New test.
1446
1447         Implement LWG 2905 changes to constrain unique_ptr constructors
1448         * include/bits/unique_ptr.h (__uniq_ptr_impl): Add assertions to
1449         check deleter type.
1450         (unique_ptr::unique_ptr(pointer, const deleter_type&)): Add copy
1451         constructible constraint.
1452         (unique_ptr::unique_ptr(pointer, deleter_type&&)): Disable for
1453         deleters of reference type and add move constructible constraint.
1454         (unique_ptr::unique_ptr(pointer, remove_reference_t<deleter_type>&&)):
1455         Disable for deleters of non-reference type. Define as deleted.
1456         (unique_ptr<T[], D>): Likewise.
1457         * testsuite/20_util/unique_ptr/assign/48635_neg.cc: Replace dg-error
1458         directives with unstable line numbers with dg-prune-output.
1459         * testsuite/20_util/unique_ptr/cons/cv_qual_neg.cc: Likewise.
1460         * testsuite/20_util/unique_ptr/cons/lwg2905.cc: New test.
1461         * testsuite/20_util/unique_ptr/specialized_algorithms/swap_cxx17.cc:
1462         Make deleter types invocable.
1463
1464 2018-09-05  Jonathan Wakely  <jwakely@redhat.com>
1465
1466         * libsupc++/cxxabi.h (__cxa_demangle): Clarify doxygen comment.
1467
1468 2018-09-03  Jonathan Wakely  <jwakely@redhat.com>
1469
1470         PR libstdc++/78179
1471         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: New test
1472         that runs the long double part of hypot.cc.
1473         * testsuite/26_numerics/headers/cmath/hypot.cc: Disable long double
1474         tests unless TEST_HYPOT_LONG_DOUBLE is defined.
1475
1476         * include/bits/stl_vector.h (vector::_Temporary_value::_M_ptr):
1477         Return raw pointer not allocator's pointer type.
1478         (vector::_Temporary_value::_M_val): Use _M_ptr.
1479
1480         PR libstdc++/87194
1481         * include/bits/stl_map.h
1482         (map::map(initializer_list<value_type>, const Compare&, const Alloc&))
1483         (map::map(initializer_list<value_type>, const Alloc&))
1484         (map::map(InputIterator, InputIterator, const Alloc&))
1485         (map::map(InputIterator, InputIterator))
1486         (map::map(InputIterator, InputIterator, const Compare&, const Alloc&))
1487         (map::insert(InputIterator, InputIterator)):
1488         Call _M_insert_range_unique instead of _M_insert_unique.
1489         * include/bits/stl_multimap.h
1490         (multimap::multimap(initializer_list<value_type>, const C&, const A&))
1491         (multimap::multimap(initializer_list<value_type>, const A&))
1492         (multimap::multimap(InputIterator, InputIterator, const A&))
1493         (multimap::multimap(InputIterator, InputIterator))
1494         (multimap::multimap(InputIterator, InputIterator, const C&, const A&))
1495         (multimap::insert(InputIterator, InputIterator)): Call
1496         _M_insert_range_equal instead of _M_insert_equal.
1497         * include/bits/stl_multiset.h
1498         (multiset::multiset(InputIterator, InputIterator))
1499         (multiset::multiset(InputIterator, InputIterator, const C&, const A&))
1500         (multiset::multiset(initializer_list<value_type>, const C&, const A&))
1501         (multiset::multiset(initializer_list<value_type>, const A&))
1502         (multiset::multiset(InputIterator, InputIterator, const A&))
1503         (multiset::insert(InputIterator, InputIterator)): Call
1504         _M_insert_range_equal instead of _M_insert_equal.
1505         * include/bits/stl_set.h
1506         (set::set(InputIterator, InputIterator))
1507         (set::set(InputIterator, InputIterator, const Compare&, const Alloc&))
1508         (set::set(initializer_list<value_type>, const Compare&, const Alloc&))
1509         (set::set(initializer_list<value_type>, const Alloc&))
1510         (set::set(InputIterator, InputIterator, const Alloc&))
1511         (set::insert(InputIterator, InputIterator)):
1512         Call _M_insert_range_unique instead of _M_insert_unique.
1513         * include/bits/stl_tree.h
1514         [__cplusplus >= 201103L] (_Rb_tree::__same_value_type): New alias
1515         template for SFINAE constraints.
1516         [__cplusplus >= 201103L] (_Rb_tree::_M_insert_range_unique): Pair of
1517         constrained overloads that either insert or emplace, depending on
1518         iterator's value_type.
1519         [__cplusplus >= 201103L] (_Rb_tree::_M_insert_range_equal): Likewise.
1520         [__cplusplus < 201103L] (_Rb_tree::_M_insert_range_unique)
1521         (_Rb_tree::_M_insert_range_equal): New functions replacing range
1522         versions of _M_insert_unique and _M_insert_equal.
1523         (_Rb_tree::_M_insert_unique(_InputIterator, _InputIterator))
1524         (_Rb_tree::_M_insert_equal(_InputIterator, _InputIterator)): Remove.
1525         * testsuite/23_containers/map/modifiers/insert/87194.cc: New test.
1526         * testsuite/23_containers/multimap/modifiers/insert/87194.cc: New test.
1527         * testsuite/23_containers/multiset/modifiers/insert/87194.cc: New test.
1528         * testsuite/23_containers/set/modifiers/insert/87194.cc: New test.
1529
1530         PR libstdc++/78595
1531         * include/bits/stl_map.h (map::insert(_Pair&&))
1532         (map::insert(const_iterator, _Pair&&)): Do emplace instead of insert.
1533         * include/bits/stl_multimap.h (multimap::insert(_Pair&&))
1534         (multimap::insert(const_iterator, _Pair&&)): Likewise.
1535         * include/bits/unordered_map.h (unordered_map::insert(_Pair&&))
1536         (unordered_map::insert(const_iterator, _Pair&&))
1537         (unordered_multimap::insert(_Pair&&))
1538         (unordered_multimap::insert(const_iterator, _Pair&&)): Likewise.
1539         * testsuite/23_containers/map/modifiers/insert/78595.cc: New test.
1540         * testsuite/23_containers/multimap/modifiers/insert/78595.cc: New test.
1541         * testsuite/23_containers/unordered_map/modifiers/78595.cc: New test.
1542         * testsuite/23_containers/unordered_multimap/modifiers/78595.cc: New
1543         test.
1544
1545 2018-09-02  François Dumont  <fdumont@gcc.gnu.org>
1546
1547         * include/debug/safe_iterator.h
1548         (_Safe_iterator<_It, _Seq, _Cat>::_Self): New.
1549         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>::_Self):
1550         New.
1551         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
1552         ::_OtherSelf): New.
1553         (_GLIBCXX_DEBUG_VERIFY_OPERANDS, _GLIBCXX_DEBUG_VERIFY_EQ_OPERANDS)
1554         (_GLIBCXX_DEBUG_VERIFY_REL_OPERANDS)
1555         (_GLIBCXX_DEBUG_VERIFY_DIST_OPERANDS): Define macros.
1556         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
1557         ::operator+(difference_type)): Use latters, inline as friend.
1558         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
1559         ::operator-(difference_type)): Likewise.
1560         (operator==(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1561         Likewise.
1562         (operator!=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1563         Likewise.
1564         (operator<(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
1565         (operator<=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1566         Likewise.
1567         (operator>(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
1568         (operator>=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1569         Likewise.
1570         (operator-(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
1571         (operator+(difference_type, const _Safe_iterator<>&)): Likewise.
1572         (operator-(const _Safe_iterator<>&, difference_type)): Likewise.
1573         * include/debug/safe_iterator.tcc
1574         (_Safe_iterator<>::_M_can_advance(difference_type)): Take parameter by
1575         copy.
1576         * include/debug/safe_local_iterator.h
1577         (_Safe_local_iterator<_It, _Seq>::_Self): New.
1578         (_Safe_local_iterator<_It, _Seq>::_OtherSelf): New.
1579         (_GLIBCXX_DEBUG_VERIFY_OPERANDS): Define macro.
1580         (operator==(const _Safe_local_iterator<>&,
1581         const _Safe_local_iterator<>&)): Use latter, inline as friend.
1582         (operator!=(const _Safe_local_iterator<>&,
1583         const _Safe_local_iterator<>&)): Likewise.
1584         * testsuite/util/testsuite_containers.h: Include utility.
1585         (struct forward_members_unordered<_Tp, bool>): Remove 2nd template
1586         parameter.
1587         (forward_members_unordered<>::forward_members_unordered(value_type&)):
1588         Add using namespace std::rel_ops.
1589         Add iterator_concept_checks on local_iterator and const_local_iterator.
1590         Add asserts on comparison between const_local_iterator and
1591         local_iterator.
1592         (struct forward_members_unordered<_Tp, false>): Remove partial
1593         specialization.
1594         * testsuite/23_containers/forward_list/types/1.cc: New.
1595         * testsuite/23_containers/list/types/1.cc: New.
1596
1597 2018-09-01  Gerald Pfeifer  <gerald@pfeifer.com>
1598
1599         * doc/xml/manual/profile_mode.xml: Update three ieeexplore.ieee.org
1600         references.
1601
1602 2018-08-31  Sandra Loosemore  <sandra@codesourcery.com>
1603
1604         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/10.cc:
1605         Add dg-require-fileio.
1606         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/11.cc:
1607         Likewise.
1608         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/5.cc:
1609         Likewise.
1610         * testsuite/21_strings/basic_string_view/inserters/wchar_t/2.cc:
1611         Likewise.
1612         * testsuite/25_algorithms/copy/streambuf_iterators/wchar_t/4.cc:
1613         Likewise.
1614         * testsuite/25_algorithms/find/istreambuf_iterators/wchar_t/2.cc:
1615         Likewise.
1616         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-1.cc: Likewise.
1617         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-2.cc: Likewise.
1618         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-3.cc: Likewise.
1619         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-4.cc: Likewise.
1620         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/11543.cc: Likewise.
1621         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-1.cc:
1622         Likewise.
1623         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-2.cc:
1624         Likewise.
1625         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-3.cc:
1626         Likewise.
1627         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-4.cc:
1628         Likewise.
1629         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-1.cc:
1630         Likewise.
1631         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-2.cc:
1632         Likewise.
1633         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-4.cc:
1634         Likewise.
1635         * testsuite/27_io/basic_filebuf/underflow/wchar_t/2.cc: Likewise.
1636         * testsuite/27_io/basic_filebuf/underflow/wchar_t/3.cc: Likewise.
1637         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: Likewise.
1638         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: Likewise.
1639         * testsuite/27_io/basic_istream/extractors_character/wchar_t/4.cc:
1640         Likewise.
1641         * testsuite/27_io/basic_istream/extractors_other/wchar_t/2.cc:
1642         Likewise.
1643         * testsuite/27_io/basic_istream/get/wchar_t/2.cc: Likewise.
1644         * testsuite/27_io/basic_istream/getline/wchar_t/5.cc: Likewise.
1645         * testsuite/27_io/basic_istream/ignore/wchar_t/2.cc: Likewise.
1646         * testsuite/27_io/basic_istream/ignore/wchar_t/3.cc: Likewise.
1647         * testsuite/27_io/basic_istream/seekg/wchar_t/sstream.cc: Likewise.
1648         * testsuite/27_io/basic_istream/tellg/wchar_t/sstream.cc: Likewise.
1649         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: Likewise.
1650         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: Likewise.
1651         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/1.cc:
1652         Likewise.
1653         * testsuite/27_io/objects/wchar_t/10.cc: Likewise.
1654         * testsuite/27_io/objects/wchar_t/12048-1.cc: Likewise.
1655         * testsuite/27_io/objects/wchar_t/12048-2.cc: Likewise.
1656         * testsuite/27_io/objects/wchar_t/12048-3.cc: Likewise.
1657         * testsuite/27_io/objects/wchar_t/12048-4.cc: Likewise.
1658         * testsuite/27_io/objects/wchar_t/12048-5.cc: Likewise.
1659         * testsuite/experimental/string_view/inserters/wchar_t/2.cc:
1660         Likewise.
1661         * testsuite/ext/stdio_sync_filebuf/wchar_t/1.cc: Likewise.
1662
1663 2018-08-30  Sandra Loosemore  <sandra@codesourcery.com>
1664
1665         * testsuite/experimental/propagate_const/observers/1.cc: Make
1666         dependence on -fdelete-null-pointer-checks explicit.
1667
1668 2018-08-30  Jonathan Wakely  <jwakely@redhat.com>
1669
1670         * include/bits/hashtable_policy.h (__clp2): Fix calculation for LLP64
1671         targets where sizeof(size_t) > sizeof(long). Avoid undefined shifts
1672         of the number of bits in the type.
1673         * include/std/bit (__ceil2): Avoid undefined shifts.
1674         * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Test values with
1675         the most signifiant bit set.
1676
1677         * config/abi/pre/gnu.ver: Add missing exports for mingw.
1678
1679         * include/ext/pointer.h (_Pointer_adapter): Define operators for
1680         pointer arithmetic using long long offsets.
1681         * testsuite/ext/ext_pointer/1.cc: Test pointer arithmetic using
1682         long long values.
1683
1684 2018-08-29  Jonathan Wakely  <jwakely@redhat.com>
1685
1686         PR libstdc++/31413
1687         * testsuite/22_locale/time_get/get_date/wchar_t/4.cc: Check D_FMT
1688         string for alternative format.
1689
1690 2018-08-28  Jonathan Wakely  <jwakely@redhat.com>
1691
1692         PR libstdc++/87116
1693         * src/filesystem/std-path.cc (path::lexically_normal): When handling
1694         a dot-dot filename, preserve an empty final component in the iteration
1695         sequence.
1696         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use preferred-separator for
1697         root-directory.
1698         * testsuite/27_io/filesystem/path/generation/normal.cc: Add new tests
1699         for more than two adjacent dot-dot filenames.
1700         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Replace slashes with
1701         preferred-separator in expected normalized strings.
1702
1703 2018-08-25  Iain Sandoe  <iain@sandoe.co.uk>
1704
1705         PR libstdc++/70694
1706         * configure.host (OPT_LDFLAGS): Don't append
1707         -fvisibility-inlines-hidden for newer Darwin.
1708
1709 2018-08-24  Marc Glisse  <marc.glisse@inria.fr>
1710
1711         PR libstdc++/86822
1712         * libsupc++/new (operator new(size_t, nothrow_t), operator
1713         new[](size_t, nothrow_t), operator new(size_t, align_val_t, nothrow_t),
1714         operator new[](size_t, align_val_t, nothrow_t)): Add malloc attribute.
1715
1716 2018-08-24  Jonathan Wakely  <jwakely@redhat.com>
1717
1718         * include/debug/deque (std::__debug::deque): Declare.
1719         * include/debug/forward_list (std::__debug::forward_list): Declare.
1720         * include/debug/list (std::__debug::list): Declare.
1721         * include/debug/map (std::__debug::map): Declare.
1722         * include/debug/set (std::__debug::set): Declare.
1723         * include/debug/unordered_map (std::__debug::unordered_map): Declare.
1724         * include/debug/unordered_set (std::__debug::unordered_set): Declare.
1725         * include/debug/vector (std::__debug::vector): Declare.
1726         * testsuite/23_containers/deque/types/pmr_typedefs_debug.cc: New test.
1727         * testsuite/23_containers/forward_list/pmr_typedefs_debug.cc: New
1728         test.
1729         * testsuite/23_containers/list/pmr_typedefs_debug.cc: New test.
1730         * testsuite/23_containers/map/pmr_typedefs_debug.cc: New test.
1731         * testsuite/23_containers/multimap/pmr_typedefs_debug.cc: New test.
1732         * testsuite/23_containers/multiset/pmr_typedefs_debug.cc: New test.
1733         * testsuite/23_containers/set/pmr_typedefs_debug.cc: New test.
1734         * testsuite/23_containers/unordered_map/pmr_typedefs_debug.cc: New
1735         test.
1736         * testsuite/23_containers/unordered_multimap/pmr_typedefs_debug.cc:
1737         New test.
1738         * testsuite/23_containers/unordered_multiset/pmr_typedefs_debug.cc:
1739         New test.
1740         * testsuite/23_containers/unordered_set/pmr_typedefs_debug.cc: New
1741         test.
1742         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
1743         Adjust dg-error lineno.
1744         * testsuite/23_containers/vector/types/pmr_typedefs_debug.cc: New
1745         test.
1746
1747 2018-08-23  Jonathan Wakely  <jwakely@redhat.com>
1748
1749         * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource):
1750         Only define when RTTI is enabled.
1751
1752         * include/debug/vector (__niter_base): Define for C++98.
1753
1754         * testsuite/25_algorithms/partial_sort_copy/debug/irreflexive_neg.cc:
1755         Fix C++98 test to not use C++11 features.
1756         * testsuite/25_algorithms/fill_n/2.cc: Likewise.
1757
1758         * scripts/check_compile: Fix comments.
1759
1760         * include/debug/string (insert(__const_iterator, _InIter, _InIter)):
1761         [!_GLIBCXX_USE_CXX11_ABI]: Replace use of C++11-only cbegin() with
1762         begin(), for C++98 compatibility.
1763
1764         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
1765         (basic_string::__const_iterator): Change access to protected.
1766         [!_GLIBCXX_USE_CXX11_ABI] (basic_string::__const_iterator): Define
1767         as typedef for iterator.
1768         * include/debug/string (__const_iterator): Use typedef from base.
1769         (insert(const_iterator, _CharT))
1770         (replace(const_iterator, const_iterator, const basic_string&))
1771         (replace(const_iterator, const_iterator, const _CharT*, size_type))
1772         (replace(const_iterator, const_iterator, const CharT*))
1773         (replace(const_iterator, const_iterator, size_type, _CharT))
1774         (replace(const_iterator, const_iterator, _InputIter, _InputIter))
1775         (replace(const_iterator, const_iterator, initializer_list<_CharT>)):
1776         Change const_iterator parameters to __const_iterator.
1777         (insert(iterator, size_type, _CharT)): Add C++98 overload.
1778         (insert(const_iterator, _InputIterator, _InputIterator)): Change
1779         const_iterator parameter to __const_iterator.
1780         [!_GLIBCXX_USE_CXX11_ABI]: Add workaround for incorrect return type
1781         of base's member function.
1782         (insert(const_iterator, size_type, _CharT)) [!_GLIBCXX_USE_CXX11_ABI]:
1783         Likewise.
1784         (insert(const_iterator, initializer_list<_CharT>))
1785         [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
1786         * testsuite/21_strings/basic_string/init-list.cc: Remove effective
1787         target directive.
1788
1789         * testsuite/20_util/reference_wrapper/lwg2993.cc: Fix C++11 test to
1790         not use C++14 feature.
1791         * testsuite/23_containers/list/68222_neg.cc: Likewise.
1792
1793         * testsuite/21_strings/basic_string/init-list.cc:
1794         Require cxx11-abi.
1795         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc:
1796         Likewise.
1797         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
1798         Likewise.
1799
1800         * testsuite/23_containers/deque/capacity/max_size.cc: Fix test for
1801         C++98 mode.
1802         * testsuite/23_containers/deque/modifiers/assign/1.cc: Likewise.
1803         * testsuite/23_containers/list/modifiers/assign/1.cc: Likewise.
1804         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: Likewise.
1805         * testsuite/23_containers/vector/capacity/max_size.cc: Likewise.
1806         * testsuite/23_containers/vector/modifiers/assign/1.cc: Likewise.
1807
1808 2018-08-22  Jonathan Wakely  <jwakely@redhat.com>
1809
1810         PR libstdc++/87061
1811         * include/experimental/regex [!_GLIBCXX_USE_CXX11_ABI]
1812         (experimental::pmr::match_results, experimental::pmr::cmatch)
1813         (experimental::pmr::smatch, experimental::pmr::wcmatch)
1814         (experimental::pmr::wsmatch): Do not declare for gcc4-compatible ABI,
1815         because COW strings don't support C++11 allocator model.
1816         * include/experimental/string [!_GLIBCXX_USE_CXX11_ABI]
1817         (experimental::pmr::basic_string, experimental::pmr::string)
1818         (experimental::pmr::u16string, experimental::pmr::u32string)
1819         (experimental::pmr::wstring): Likewise.
1820         * include/std/regex [!_GLIBCXX_USE_CXX11_ABI] (pmr::match_results)
1821         (pmr::cmatch, pmr::smatch, pmr::wcmatch, pmr::wsmatch): Likewise.
1822         * include/std/string [!_GLIBCXX_USE_CXX11_ABI] (pmr::basic_string)
1823         (pmr::string, pmr::u16string, pmr::u32string, pmr::wstring): Likewise.
1824         * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Require
1825         cxx11-abi.
1826         * testsuite/28_regex/match_results/pmr_typedefs.cc: Likewise.
1827
1828         PR libstdc++/78448
1829         * include/bits/deque.tcc (deque::_M_range_initialize): Use
1830         _S_check_init_len to check size.
1831         (deque::_M_push_back_aux, deque::_M_push_front_aux): Throw length
1832         error if size would exceed max_size().
1833         * include/bits/stl_deque.h (_Deque_base::size_type): Remove typedef.
1834         (_Deque_base(_Deque_base&&, const allocator_type&, size_t)): Use
1835         size_t instead of size_type.
1836         (deq(size_type, const allocator_type&)
1837         (deq(size_type, const value_type&, const allocator_type&)
1838         (deque::_M_initialize_dispatch): Use _S_check_init_len to check size.
1839         (deque::max_size): Call _S_max_size.
1840         (deque::_S_check_init_len, deque::_S_max_size): New functions.
1841         * include/bits/stl_vector.h (vector(size_type, const allocator_type&))
1842         (vector(size_type, const value_type&, const allocator_type&))
1843         (vector::_M_initialize_dispatch, vector::_M_range_initialize): Use
1844         _S_check_init_len to check size.
1845         (vector::max_size): Call _S_max_size.
1846         (vector::_M_check_len): Prevent max from being expanded as a
1847         function-like macro.
1848         (vector::_S_check_init_len, vector::_S_max_size): New functions.
1849         * include/bits/vector.tcc (vector::_M_assign_aux): Use
1850         _S_check_init_len to check size.
1851         * testsuite/23_containers/deque/capacity/max_size.cc: New test.
1852         * testsuite/23_containers/vector/capacity/max_size.cc: New test.
1853
1854 2018-08-22  François Dumont  <fdumont@gcc.gnu.org>
1855
1856         PR libstdc++/68222
1857         * include/debug/safe_iterator.h
1858         (_Safe_iterator<_It, _Sq, _Cat>): Add category template parameter.
1859         (_Safe_iterator<>::_Const_iterator): Remove.
1860         (_Safe_iterator<>::_IsConstant): New.
1861         (_Safe_iterator<>::_OtherIterator): New.
1862         (_Safe_iterator<_It, _Sq, _Cat>::_Safe_iterator<_MutIte>(
1863         const _Safe_iterator<_MutIte, _Sq, _Cat>&)): Add _IsConstant::__value in
1864         __gnu_cxx::__enable_if condition.
1865         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_to): New.
1866         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_from_begin): New.
1867         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_to_end): New.
1868         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>): New.
1869         (_Safe_iterator<_It, _Sq, _Cat>::operator--()): Move...
1870         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
1871         ::operator--()): ...here.
1872         (_Safe_iterator<_It, _Sq, _Cat>::operator--(int)): Move...
1873         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
1874         ::operator--(int)): ...here.
1875         (_Safe_iterator<_It, _Sq, _Cat>::_M_decrementable()): Move...
1876         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
1877         ::_M_decrementable()): ...here.
1878         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>): New.
1879         (_Safe_iterator<_It, _Sq, _Cat>::operator[](const difference_type&)):
1880         Move...
1881         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
1882         ::operator[](const difference_type&)): ...here.
1883         (_Safe_iterator<_It, _Sq, _Cat>::operator+=(const difference_type&)):
1884         Move...
1885         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
1886         ::operator+=(const difference_type&)): ...here.
1887         (_Safe_iterator<_It, _Sq, _Cat>::operator+(const difference_type&)):
1888         Move...
1889         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
1890         ::operator+(const difference_type&)): ...here.
1891         (_Safe_iterator<_It, _Sq, _Cat>::operator-=(const difference_type&)):
1892         Move...
1893         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
1894         ::operator-=(const difference_type&)): ...here.
1895         (_Safe_iterator<_It, _Sq, _Cat>::operator-(const difference_type&)):
1896         Move...
1897         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
1898         ::operator-(const difference_type&)): ...here.
1899         (operator<(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1900         Constraint to random access iterators.
1901         (operator<=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1902         Likewise.
1903         (operator>(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
1904         (operator>=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1905         Likewise.
1906         (operator-(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
1907         (operator+(const difference_type&, const _Safe_iterator<>&)): Likewise.
1908         (__check_dereferenceable(const _Safe_iterator<>&)): Remove.
1909         (__get_distance): Remove.
1910         (__get_distance_from_begin): Remove.
1911         (__get_distance_to_end): Remove.
1912         (struct __is_safe_random_iterator<_Safe_iterator<>>): Remove partial
1913         specialization.
1914         (__base(const _Safe_iterator<>&, std::input_iterator_tag)): Remove.
1915         (__base(const _Safe_iterator<>&, std::random_access_iterator_tag)): Remove.
1916         (__base(const _Safe_iterator<>&)): Constraint to random access iterator.
1917         * include/debug/safe_iterator.tcc
1918         (_Safe_iterator<>::_M_get_distance_from_begin()): New.
1919         (_Safe_iterator<>::_M_get_distance_to_end()): New.
1920         (_Safe_iterator<>::_M_get_distance_to(const _Safe_iterator<>&)): New.
1921         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
1922         ::_M_valid_range): New.
1923         * include/debug/safe_local_iterator.h
1924         (_Safe_local_iterator<>::_Const_local_iterator): Remove.
1925         (_Safe_local_iterator<>::_IsConstant): New.
1926         (_Safe_local_iterator<>::_OtherIterator): New.
1927         (_Safe_local_iterator<_It, _Cont>::_Safe_local_iterator<_MutIte, _Cont>(
1928         const _Safe_local_iterator<_MutIte, _Seq>&)): Add _IsConstant::__value
1929         in __gnu_cxx::__enable_if condition. If singular compare base iterator
1930         with _MutIte rather than _It.
1931         (_Safe_local_iterator<>::_S_constant): Make constexpr.
1932         (_Safe_local_iterator<>::_M_get_distance_to): New.
1933         (__check_dereferenceable(const _Safe_local_iterator<>&)): Remove.
1934         (__get_distance(const _Safe_local_iterator<>&,
1935         const _Safe_local_iterator<>&, std::input_iterator_tag)): Remove.
1936         (__valid_range(const _Safe_local_iterator<>&,
1937         const _Safe_local_iterator<>&)): New.
1938         * include/debug/safe_local_iterator.tcc
1939         (_Safe_local_iterator<>::_M_get_distance_to): New.
1940         * include/debug/deque (std::__debug::deque<>): Add
1941         ::__gnu_debug::_Safe_iterator<> friend declaration.
1942         * include/debug/forward_list (std::__debug::forward_list<>): Likewise.
1943         * include/debug/list (std::__debug::list<>): Likewise.
1944         * include/debug/map.h (std::__debug::map<>): Likewise.
1945         * include/debug/multimap.h (std::__debug::multimap<>): Likewise.
1946         * include/debug/set.h (std::__debug::set<>): Likewise.
1947         * include/debug/multiset.h (std::__debug::multiset<>): Likewise.
1948         * include/debug/string (std::__debug::basic_string<>): Likewise.
1949         * include/debug/unordered_map (std::__debug::unordered_map<>): Likewise
1950         and add ::__gnu_debug::_Safe_local_iterator<> friend declaration.
1951         (std::__debug::unordered_multimap<>): Likewise.
1952         * include/debug/unordered_set (std::__debug::unordered_set<>): Likewise.
1953         (std::__debug::unordered_multiset<>): Likewise.
1954         * include/debug/formatter.h: Adapt.
1955         * include/debug/helper_functions.h
1956         (__gnu_debug::_Safe_local_iterator<>): Add declaration.
1957         (__get_distance<_Ite>(_Ite, _Ite, std::random_access_iterator_tag):
1958         Pass parameter by copy.
1959         (__get_distance<_Ite>(_Ite, _Ite, std::input_iterator_tag): Likewise.
1960         (__get_distance<_Ite>(_Ite, _Ite): Likewise.
1961         (__valid_range_aux<_Integral>): Pass _Integral by copy.
1962         (__valid_range<_InputIterator>): Pass _InputIterator by copy.
1963         (__valid_range<>(const _Safe_iterator<>&,
1964         const _Safe_iterator<>&, typename _Distance_traits<>::__type&)):
1965         Declare.
1966         (__valid_range(const _Safe_local_iterator<>&,
1967         const _Safe_local_iterator<>&, typename _Distance_traits<>::__type&)):
1968         Declare.
1969         (__valid_range<>(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1970         Declare.
1971         (__valid_range(const _Safe_local_iterator<>&, const _Safe_local_iterator<>&)):
1972         Declare.
1973         (__can_advance): Adapt.
1974         (struct __is_safe_random_iterator<>): Remove.
1975         (struct _SIter_base<>): Remove.
1976         * include/debug/functions.h: Include <bits/stl_iterator.h>.
1977         (__check_dereferenceable): Remove.
1978         (__foreign_iterator_aux4, __foreign_iterator_aux3): Adapt.
1979         (__foreign_iterator_aux2, __foreign_iterator_aux): Adapt.
1980         (__foreign_iterator): Adapt.
1981         * include/debug/stl_iterator.h
1982         (__is_safe_random_iterator<std::reverse_iterator<>>): Remove.
1983         (__base(const std::reverse_iterator<_Safe_iterator<_It, _Sq>)):
1984         Constraint for random access iterators.
1985         (__niter_base): Adapt.
1986         * testsuite/util/testsuite_containers.h:
1987         Include <bits/boost_concept_check.h>.
1988         (iterator_concept_checks<_It, _Mutable, _Category>): New.
1989         (citerator<_Cont>::forward_members::forward_members()): Instantiate
1990         latter for container iterator and const_iterator.
1991         * testsuite/23_containers/list/68222_neg.cc: New.
1992         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: Adapt
1993         line number.
1994         * testsuite/23_containers/unordered_set/debug/debug_functions.cc:
1995         (test01): Remove.
1996         * testsuite/23_containers/vector/debug/debug_functions.cc (test01):
1997         Remove.
1998
1999 2018-08-22  Jonathan Wakely  <jwakely@redhat.com>
2000
2001         PR libstdc++/77854
2002         * doc/xml/manual/status_cxx1998.xml: Document size_type and
2003         difference_type for containers.
2004         * doc/html/*: Regenerate.
2005
2006 2018-08-21  François Dumont  <fdumont@gcc.gnu.org>
2007
2008         P0646R1 Improving the Return Value of Erase-Like Algorithms I
2009         * include/debug/forward_list (forward_list::__remove_return_type):
2010         Define typedef as size_type or void, according to __cplusplus value.
2011         (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
2012         empty, according to __cplusplus value.
2013         (_GLIBCXX20_ONLY): Define macro.
2014         (forward_list::remove, forward_list::unique): Use typedef and macro
2015         to change return type and add abi-tag for C++2a. Return number of
2016         removed elements for C++2a.
2017         (forward_list::remove_if<Pred>, forward_list::unique<BinPred>): Use
2018         typedef to change return type for C++2a. Return number of removed
2019         elements for C++2a.
2020         * include/debug/list (list::__remove_return_type): Define typedef as
2021         size_type or void, according to __cplusplus value.
2022         (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
2023         empty, according to __cplusplus value.
2024         (_GLIBCXX20_ONLY): Define macro.
2025         (list::remove, list::unique): Use typedef and macro to change return
2026         type and add abi-tag for C++2a. Return number of removed elements for
2027         C++2a.
2028         (list::remove_if<Predicate>, list::unique<BinaryPredicate>): Use typedef
2029         to change return type for C++2a. Return number of removed elements for
2030         C++2a.
2031
2032 2018-08-21  David Edelsohn  <dje.gcc@gmail.com>
2033
2034         * testsuite/18_support/new_nothrow.cc: XFAIL on AIX.
2035
2036 2018-08-21  Jonathan Wakely  <jwakely@redhat.com>
2037
2038         * testsuite/26_numerics/bit/bitops.count/countl_one.cc: Remove
2039         redundant dg-do directive.
2040         * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise.
2041         * testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise.
2042         * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise.
2043         * testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise.
2044
2045 2018-08-20  Jonathan Wakely  <jwakely@redhat.com>
2046
2047         PR libstdc++/86963
2048         * include/std/tuple (_Tuple_impl::operator=): Define as deleted.
2049         (_Tuple_impl::_M_assign): New functions to perform assignment instead
2050         of assignment operators.
2051         (_Tuple_impl::_M_swap): Remove exception specification.
2052         (_Tuple_impl<_Idx, _Head>): Likewise.
2053         (_TC::_NonNestedTuple, _TC::_NotSameTuple): Use __remove_cvref_t.
2054         (__tuple_base): Remove.
2055         (tuple, tuple<_T1, _T2>): Remove inheritance from __tuple_base.
2056         (tuple::operator=, tuple<_T1, _T2>::operator=): Call _M_assign.
2057         (tuple::swap, tuple<_T1, _T2>::swap): Define exception specification
2058         using __is_nothrow_swappable.
2059         (tuple<_T1, _T2>::tuple(_U1&&, _U2&&)): Use __remove_cvref_t.
2060
2061         * include/std/optional (_Optional_payload): Use variable templates
2062         for conditions in default template arguments and exception
2063         specifications.
2064         (optional): Likewise. Adjust indentation.
2065         (optional::__not_self, optional::__not_tag, optional::_Requires): New
2066         SFINAE helpers.
2067         (optional::optional): Use new helpers in constructor constraints.
2068         * include/std/type_traits (__or_v, __and_v): New variable templates.
2069         * testsuite/20_util/optional/cons/value_neg.cc: Change dg-error to
2070         dg-prune-output. Remove unused header.
2071
2072 2018-08-18  François Dumont  <fdumont@gcc.gnu.org>
2073
2074         * testsuite/25_algorithms/copy/86658.cc: Use dg-options to define
2075         _GLIBCXX_DEBUG.
2076
2077 2018-08-17  Jonathan Wakely  <jwakely@redhat.com>
2078
2079         PR libstdc++/86963
2080         * include/std/tuple (__tuple_base): New class template with deleted
2081         copy assignment operator.
2082         (tuple, tuple<_T1, _T2>): Derive from __tuple_base<tuple> so that
2083         implicit copy/move assignment operator will be deleted/suppressed.
2084         (tuple::__assignable, tuple<_T1, _T2>::__assignable): New helper
2085         functions for SFINAE constraints on assignment operators.
2086         (tuple::__nothrow_assignable, tuple<_T1, _T2>::__nothrow_assignable):
2087         New helper functions for exception specifications.
2088         (tuple::operator=(const tuple&), tuple::operator=(tuple&&))
2089         (tuple<_T1, _T2>::operator=(const tuple&))
2090         (tuple<_T1, _T2>::operator=(tuple&&)): Change parameter types to
2091         __nonesuch_no_braces when the operator should be defined implicitly.
2092         Use __nothrow_assignable for exception specifications.
2093         (tuple::operator=(const tuple<_UElements...>&))
2094         (tuple::operator=(tuple<_UElements...>&&))
2095         (tuple<_T1, _T2>::operator=(const tuple<_U1, _U2>&))
2096         (tuple<_T1, _T2>::operator=(tuple<_U1, _U2>&&))
2097         (tuple<_T1, _T2>::operator=(const pair<_U1, _U2>&))
2098         (tuple<_T1, _T2>::operator=(pair<_U1, _U2>&&)): Constrain using
2099         __assignable and use __nothrow_assignable for exception
2100         specifications.
2101         * python/libstdcxx/v6/printers.py (is_specialization_of): Accept
2102         gdb.Type as first argument, instead of a string.
2103         (StdTuplePrinter._iterator._is_nonempty_tuple): New method to check
2104         tuple for expected structure.
2105         (StdTuplePrinter._iterator.__init__): Use _is_nonempty_tuple.
2106         * testsuite/20_util/tuple/dr2729.cc: New test.
2107         * testsuite/20_util/tuple/element_access/get_neg.cc: Change dg-error
2108         to dg-prune-output.
2109
2110 2018-08-16  Jonathan Wakely  <jwakely@redhat.com>
2111
2112         * include/tr1/legendre_function.tcc (__sph_legendre): Avoid warning
2113         about signed/unsigned comparison.
2114
2115         * include/std/ostream (basic_ostream::sentry::~sentry): Suppress
2116         deprecation warnings for using uncaught_exception().
2117
2118         PR libstdc++/86447
2119         * src/c++11/cow-stdexcept.cc [_GLIBCXX_FULLY_DYNAMIC_STRING]
2120         (logic_error::logic_error(logic_error&&))
2121         (logic_error::operator=(logic_error&&))
2122         (runtime_error::runtime_error(runtime_error&&))
2123         (runtime_error::operator=(runtime_error&&)): Copy strings instead of
2124         moving, to avoid allocating empty reps for moved-from strings.
2125
2126 2018-08-15  Jonathan Wakely  <jwakely@redhat.com>
2127
2128         * include/experimental/regex: Remove begin/end macros for namespace.
2129         * include/experimental/string: Likewise.
2130         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_deque.cc:
2131         New test.
2132         * testsuite/experimental/polymorphic_allocator/
2133         pmr_typedefs_forward_list.cc: New test.
2134         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_list.cc:
2135         New test.
2136         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_map.cc:
2137         New test.
2138         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc:
2139         New test.
2140         * testsuite/experimental/polymorphic_allocator/
2141         pmr_typedefs_multimap.cc: New test.
2142         * testsuite/experimental/polymorphic_allocator/
2143         pmr_typedefs_multiset.cc: New test.
2144         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_set.cc:
2145         New test.
2146         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
2147         New test.
2148         * testsuite/experimental/polymorphic_allocator/
2149         pmr_typedefs_unordered_map.cc: New test.
2150         * testsuite/experimental/polymorphic_allocator/
2151         pmr_typedefs_unordered_multimap.cc: New test.
2152         * testsuite/experimental/polymorphic_allocator/
2153         pmr_typedefs_unordered_multiset.cc: New test.
2154         * testsuite/experimental/polymorphic_allocator/
2155         pmr_typedefs_unordered_set.cc: New test.
2156         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_vector.cc:
2157         New test.
2158
2159         * include/bits/uses_allocator.h (__uses_allocator_construct): Qualify
2160         calls to __uses_allocator_construct_impl and __use_alloc.
2161         * include/experimental/memory_resource
2162         (polymorphic_allocator::_M_construct): Remove.
2163         (polymorphic_allocator::construct): Call __uses_allocator_construct.
2164         Qualify calls to __use_alloc.
2165         * include/std/memory_resource (polymorphic_allocator::construct): Fix
2166         type in SFINAE constraint. Use constexpr if instead of tag dispatching
2167         to _S_construct overloads.
2168         (polymorphic_allocator::construct(pair<T1, T2>*, ...)): Fix order of
2169         arguments to _S_construct_p.
2170         (polymorphic_allocator::_S_construct): Remove.
2171         (polymorphic_allocator::_S_construct_p): Return allocators by value
2172         not by reference.
2173         * include/std/scoped_allocator (scoped_allocator_adaptor::construct):
2174         Qualify calls to __use_alloc.
2175         * testsuite/20_util/polymorphic_allocator/construct_pair.cc: New test,
2176         copied from testsuite/20_util/scoped_allocator/construct_pair.cc.
2177         * testsuite/experimental/polymorphic_allocator/1.cc: New test.
2178         * testsuite/experimental/polymorphic_allocator/construct_pair.cc:
2179         New test.
2180
2181         * src/c++17/memory_resource.cc [!_GLIBCXX_HAS_GTHREADS]
2182         (atomic_mem_res): Add unsynchronized definition for single-threaded.
2183
2184 2018-08-14  Jonathan Wakely  <jwakely@redhat.com>
2185
2186         PR libstdc++/86954
2187         * include/bits/stl_tempbuf.h (return_temporary_buffer): Use
2188         non-placement delete.
2189
2190         * include/std/chrono (__check_overflow): Simplify definition.
2191         (_Checked_integral_constant): Remove.
2192
2193         PR libstdc++/86846
2194         * src/c++17/default_resource.h: New file, defining default_res.
2195         * src/c++17/memory_resource.cc [ATOMIC_POINTER_LOCK_FREE != 2]
2196         (atomic_mem_res): Define alternative for atomic<memory_resource*>
2197         using a mutex instead of atomics.
2198
2199         PR libstdc++/85343
2200         * config/abi/pre/gnu.ver: Export new symbol.
2201         * doc/xml/manual/abi.xml: Document new versions.
2202         * include/bits/fstream.tcc (basic_filebuf<C, T>::underflow)
2203         (basic_filebuf<C, T>::xsgetn): Pass errno to __throw_ios_failure.
2204         * include/bits/functexcept.h (__throw_ios_failure(const char*, int)):
2205         Declare new overload.
2206         * src/c++11/cxx11-ios_failure.cc (__ios_failure): Add new constructor
2207         and static member function.
2208         (__throw_ios_failure(const char*, int)): Define.
2209         * src/c++98/ios_failure.cc [!_GLIBCXX_USE_DUAL_ABI]
2210         (__throw_ios_failure(const char*, int)): Define.
2211
2212 2018-08-14  Jeremy Sawicki  <jeremy-gcc@sawicki.us>
2213
2214         * include/ext/rope (_Rope_iterator_base(const _Rope_iterator_base&))
2215         (_Rope_const_iterator::operator=(const _Rope_const_iterator&))
2216         (_Rope_iterator::operator=(const _Rope_iterator&)): Ensure
2217         copied/assigned rope iterators don't retain pointers to the iterator
2218         they were copied/assigned from.
2219         * testsuite/ext/rope/7.cc: New.
2220
2221 2018-08-13  Jonathan Wakely  <jwakely@redhat.com>
2222
2223         PR libstdc++/45093
2224         * include/bits/stl_tree.h (_Rb_tree::_M_destroy_node(_Link_type)):
2225         Combine definitions to avoid --detect-odr-violations warning.
2226
2227         * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Use
2228         __is_pow2 to check for valid alignment. Avoid branching when rounding
2229         size to multiple of alignment.
2230
2231         * include/Makefile.am: Install <bit> and <version> for freestanding.
2232         * include/Makefile.in: Regenerate.
2233         * testsuite/17_intro/freestanding.cc: Check for <bit> and <version>.
2234
2235         Revert
2236         2018-08-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
2237
2238         PR target/85904
2239         * configure.ac: Define HAVE_ALIGNED_ALLOC if building for
2240         Newlib.
2241         * configure: Regenerate.
2242
2243 2018-08-10  Jonathan Wakely  <jwakely@redhat.com>
2244
2245         PR libstdc++/68210
2246         * doc/xml/manual/intro.xml: Document LWG 206 change.
2247         * libsupc++/del_op.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
2248         * libsupc++/del_opa.cc: Likewise.
2249         * libsupc++/del_opant.cc: Likewise.
2250         * libsupc++/del_opnt.cc: Likewise. Call operator delete(ptr) instead
2251         of free(ptr).
2252         * libsupc++/del_ops.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
2253         * libsupc++/del_opsa.cc: Likewise.
2254         * libsupc++/del_opva.cc: Likewise.
2255         * libsupc++/del_opvant.cc: Likewise.
2256         * libsupc++/del_opvnt.cc: Likewise. Call operator delete[](ptr)
2257         instead of operator delete(ptr).
2258         * libsupc++/del_opvs.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
2259         * libsupc++/del_opvsa.cc: Likewise.
2260         * libsupc++/new_op.cc: Use __builtin_expect in check for zero size.
2261         * libsupc++/new_opa.cc: Use nullptr instead of literal 0.
2262         * libsupc++/new_opant.cc: Likewise. Replace _GLIBCXX_USE_NOEXCEPT
2263         with noexcept.
2264         * libsupc++/new_opnt.cc: Likewise. Call operator new(sz) instead of
2265         malloc(sz).
2266         * libsupc++/new_opvant.cc: Use nullptr and noexcept.
2267         * libsupc++/new_opvnt.cc: Likewise. Call operator new[](sz) instead of
2268         operator new(sz, nothrow).
2269         * testsuite/18_support/new_nothrow.cc: New test.
2270
2271 2018-08-10  Martin Liska  <mliska@suse.cz>
2272
2273         * libsupc++/new_op.cc (new): Remove __builtin_expect as malloc
2274         predictor can handle that.
2275         * libsupc++/new_opa.cc: Likewise.
2276         * libsupc++/new_opnt.cc (new): Likewise.
2277
2278 2018-08-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
2279
2280         PR target/85904
2281         * configure.ac: Define HAVE_ALIGNED_ALLOC if building for
2282         Newlib.
2283         * configure: Regenerate.
2284
2285 2018-08-10  Jonathan Wakely  <jwakely@redhat.com>
2286
2287         * include/std/deque (std::pmr::deque): Declare alias.
2288         * include/std/forward_list (std::pmr::forward_list): Likewise.
2289         * include/std/list (std::pmr::list): Likewise.
2290         * include/std/map (std::pmr::map, std::pmr::multimap): Likewise.
2291         * include/std/regex (std::pmr::match_results, std::pmr::cmatch)
2292         (std::pmr::smatch, std::pmr::wcmatch, std::pmr::wsmatch): Likewise.
2293         * include/std/set (std::pmr::set, std::pmr::multiset): Likewise.
2294         * include/std/string (std::pmr::basic_string, std::pmr::string)
2295         (std::pmr::u16string, std::pmr::u32string, std::pmr::wstring):
2296         Likewise.
2297         * include/std/unordered_map (std::pmr::unordered_map)
2298         (std::pmr::unordered_multimap): Likewise.
2299         * include/std/unordered_set (std::pmr::unordered_set)
2300         (std::pmr::unordered_multiset): Likewise.
2301         * include/std/vector (std::pmr::vector): Likewise.
2302         * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: New test.
2303         * testsuite/23_containers/deque/types/pmr_typedefs.cc: New test.
2304         * testsuite/23_containers/forward_list/pmr_typedefs.cc: New test.
2305         * testsuite/23_containers/list/pmr_typedefs.cc: New test.
2306         * testsuite/23_containers/map/pmr_typedefs.cc: New test.
2307         * testsuite/23_containers/multimap/pmr_typedefs.cc: New test.
2308         * testsuite/23_containers/multiset/pmr_typedefs.cc: New test.
2309         * testsuite/23_containers/set/pmr_typedefs.cc: New test.
2310         * testsuite/23_containers/unordered_map/pmr_typedefs.cc: New test.
2311         * testsuite/23_containers/unordered_multimap/pmr_typedefs.cc: New
2312         test.
2313         * testsuite/23_containers/unordered_multiset/pmr_typedefs.cc: New
2314         test.
2315         * testsuite/23_containers/unordered_set/pmr_typedefs.cc: New test.
2316         * testsuite/23_containers/vector/pmr_typedefs.cc: New test.
2317         * testsuite/28_regex/match_results/pmr_typedefs.cc: New test.
2318
2319 2018-08-08  François Dumont  <fdumont@gcc.gnu.org>
2320
2321         * include/bits/stl_algo.h
2322         (__rotate(_Ite, _Ite, _Ite, forward_iterator_tag))
2323         (__rotate(_Ite, _Ite, _Ite, bidirectional_iterator_tag))
2324         (__rotate(_Ite, _Ite, _Ite, random_access_iterator_tag)): Move code
2325         duplication...
2326         (rotate(_Ite, _Ite, _Ite)): ...here.
2327         (__stable_partition_adaptive(_FIt, _FIt, _Pred, _Dist, _Pointer, _Dist)):
2328         Simplify rotate call.
2329         (__rotate_adaptive(_BIt1, _BIt1, _BIt1, _Dist, _Dist, _Bit2, _Dist)):
2330         Likewise.
2331         (__merge_without_buffer(_BIt, _BIt, _BIt, _Dist, _Dist, _Comp)):
2332         Likewise.
2333
2334 2018-08-08  Jonathan Wakely  <jwakely@redhat.com>
2335
2336         * libsupc++/new_opa.cc (aligned_alloc): Declare inside namespace to
2337         avoid clashing with an ::aligned_alloc function that was not detected
2338         by configure.
2339
2340         * doc/xml/manual/using.xml: Fix markup for empty table entry.
2341         * doc/html/*: Regenerate.
2342
2343         * doc/xml/manual/using.xml: Add missing header to table and fix typo.
2344         * doc/html/*: Regenerate.
2345
2346         PR libstdc++/86597
2347         * include/bits/fs_dir.h (directory_entry::_M_file_type(error_code&)):
2348         Clear error_code when cached type is used.
2349         * testsuite/27_io/filesystem/directory_entry/86597.cc: New test.
2350
2351 2018-08-07  Jonathan Wakely  <jwakely@redhat.com>
2352
2353         PR libstdc++/86874
2354         * include/std/variant (_Copy_ctor_base::_M_destructive_move): Define
2355         here instead of in _Move_assign_base.
2356         (_Copy_ctor_base<true, _Types...>::_M_destructive_move): Define.
2357         (_Copy_assign_base::operator=): Use _M_destructive_move when changing
2358         the contained value to another alternative.
2359         (_Move_assign_base::operator=): Likewise.
2360         (_Move_assign_base::_M_destructive_move): Remove.
2361         * testsuite/20_util/variant/86874.cc: New test.
2362
2363         PR libstdc++/86861
2364         * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] (aligned_alloc):
2365         Replace macro with inline function.
2366         [__sun]: Increase alignment to meet memalign precondition.
2367         [!HAVE__ALIGNED_MALLOC && !HAVE_POSIX_MEMALIGN && !HAVE_MEMALIGN]
2368         (aligned_alloc): Move check for valid alignment to operator new.
2369         Remove redundant check for non-zero size, it's enforced by the caller.
2370         (operator new): Move check for valid alignment here. Use
2371         __builtin_expect on check for zero size.
2372
2373         * config/abi/pre/gnu.ver: Export monotonic_buffer_resource members.
2374         * include/std/memory_resource (monotonic_buffer_resource::release):
2375         Call _M_release_buffers to free buffers.
2376         (monotonic_buffer_resource::do_allocate): Call _M_new_buffer to
2377         allocate a new buffer from upstream.
2378         (monotonic_buffer_resource::_M_new_buffer): Declare.
2379         (monotonic_buffer_resource::_M_release_buffers): Declare.
2380         (monotonic_buffer_resource::_Chunk): Replace definition with
2381         declaration as opaque type.
2382         * src/c++17/memory_resource.cc (monotonic_buffer_resource::_Chunk):
2383         Define.
2384         (monotonic_buffer_resource::_M_new_buffer): Define.
2385         (monotonic_buffer_resource::_M_release_buffers): Define.
2386
2387 2018-08-05  François Dumont  <fdumont@gcc.gnu.org>
2388
2389         * include/bits/stl_iterator.h: Fix comment.
2390
2391 2018-08-03  Jonathan Wakely  <jwakely@redhat.com>
2392
2393         * src/c++11/system_error.cc
2394         (system_error_category::default_error_condition): Add workaround for
2395         ENOTEMPTY and EEXIST having the same value on AIX.
2396         * testsuite/19_diagnostics/error_category/system_category.cc: Add
2397         extra testcases for EDOM, EILSEQ, ERANGE, EEXIST and ENOTEMPTY.
2398
2399 2018-08-01  Jonathan Wakely  <jwakely@redhat.com>
2400
2401         * configure: Regenerate.
2402         * configure.ac: Add -D_GLIBCXX_ASSERTIONS to default DEBUG_FLAGS.
2403         * src/c++11/futex.cc: Use __glibcxx_assert instead of
2404         _GLIBCXX_DEBUG_ASSERT.
2405
2406 2018-08-01  Mike Crowe  <mac@mcrowe.com>
2407
2408         * include/std/condition_variable (wait_for): Use steady_clock.
2409
2410 2018-08-01  Mike Crowe  <mac@mcrowe.com>
2411
2412         * include/std/condition_variable (wait_until): Only report timeout
2413         if we really have timed out when measured against the
2414         caller-supplied clock.
2415         * testsuite/30_threads/condition_variable/members/2.cc: Add test
2416         case to confirm above behaviour.
2417
2418 2018-08-01  Jonathan Wakely  <jwakely@redhat.com>
2419
2420         PR libstdc++/60555
2421         * src/c++11/system_error.cc
2422         (system_error_category::default_error_condition): New override to
2423         check for POSIX errno values.
2424         * testsuite/19_diagnostics/error_category/generic_category.cc: New
2425         * testsuite/19_diagnostics/error_category/system_category.cc: New
2426         test.
2427
2428 2018-07-31  Jonathan Wakely  <jwakely@redhat.com>
2429
2430         PR libstdc++/86751
2431         * include/bits/stl_pair.h (__pair_base): New class with deleted copy
2432         assignment operator.
2433         (pair): Derive from __pair_base.
2434         (pair::operator=): Remove deleted overload.
2435         * python/libstdcxx/v6/printers.py (StdPairPrinter): New pretty printer
2436         so that new base class isn't shown in GDB.
2437         * testsuite/20_util/pair/86751.cc: New test.
2438         * testsuite/20_util/pair/ref_assign.cc: New test.
2439
2440         * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
2441         (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Move definitions here.
2442         (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Likewise. Use !__is_identifier
2443         instead of __has_builtin.
2444         * include/std/type_traits (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
2445         (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Remove definitions from here.
2446         * include/std/version [!_GLIBCXX_HAS_GTHREADS]
2447         (__cpp_lib_shared_timed_mutex, __cpp_lib_scoped_lock)
2448         (__cpp_lib_shared_mutex): Don't define when Gthreads not in use.
2449         [!_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP]
2450         (__cpp_lib_has_unique_object_representations): Don't define when
2451         builtin not available.
2452         [!_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE] (__cpp_lib_is_aggregate):
2453         Likewise.
2454         [!_GLIBCXX_HAVE_BUILTIN_LAUNDER] (__cpp_lib_launder): Likewise.
2455         * libsupc++/new (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Remove definition
2456         from here.
2457
2458         * doc/xml/manual/test.xml: Improve documentation on writing tests for
2459         newer standards.
2460         * doc/xml/manual/using.xml: Document all headers for C++11 and later.
2461         * doc/html/*: Regenerate.
2462
2463         * include/ext/pointer.h [__cplusplus >= 201103L]
2464         (_Pointer_adapter::operator bool): Add explicit conversion operator
2465         to replace safe bool idiom.
2466
2467 2018-07-30  Jonathan Wakely  <jwakely@redhat.com>
2468
2469         PR libstdc++/86734
2470         * include/bits/stl_iterator.h (reverse_iterator::operator->): Call
2471         _S_to_pointer (LWG 1052, LWG 2118).
2472         (reverse_iterator::_S_to_pointer): Define overloaded helper functions.
2473         * testsuite/24_iterators/reverse_iterator/dr1052.cc: New test.
2474         * testsuite/24_iterators/reverse_iterator/dr2188.cc: New test.
2475
2476         * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Add
2477         workaround for aligned_alloc bug on AIX.
2478         * testsuite/18_support/new_aligned.cc: New test.
2479
2480 2018-07-26  Marek Polacek  <polacek@redhat.com>
2481
2482         * testsuite/30_threads/condition_variable_any/cond.cc: New.
2483
2484 2018-07-26  Marek Polacek  <polacek@redhat.com>
2485
2486         * src/c++98/locale_init.cc: Fix #ifdef condition.
2487
2488 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
2489
2490         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: Add
2491         dg-require-cstdint directive.
2492         * testsuite/20_util/allocator/overaligned.cc: Likewise.
2493         * testsuite/20_util/any/cons/aligned.cc: Likewise.
2494         * testsuite/20_util/monotonic_buffer_resource/allocate.cc: Likewise.
2495         * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: Likewise.
2496         * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc:
2497         Likewise.
2498         * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
2499         * testsuite/23_containers/list/modifiers/insert/25288.cc: Likewise.
2500         * testsuite/23_containers/set/allocator/move_assign.cc: Likewise.
2501         * testsuite/25_algorithms/make_heap/complexity.cc: Likewise.
2502         * testsuite/25_algorithms/pop_heap/complexity.cc: Require cstdint and
2503         random_device effective-target.
2504         * testsuite/25_algorithms/push_heap/complexity.cc: Likewise.
2505         * testsuite/25_algorithms/sample/1.cc: Require cstdint.
2506         * testsuite/25_algorithms/sample/2.cc: Likewise.
2507         * testsuite/25_algorithms/sort_heap/complexity.cc: Require cstdint
2508         and random_device.
2509         * testsuite/26_numerics/headers/random/types_std_c++0x.cc: Require
2510         cstdint.
2511         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
2512         Likewise.
2513         * testsuite/26_numerics/random/discard_block_engine/requirements/
2514         constexpr_data.cc: Likewise.
2515         * testsuite/26_numerics/random/discard_block_engine/requirements/
2516         constexpr_functions.cc: Likewise.
2517         * testsuite/26_numerics/random/independent_bits_engine/requirements/
2518         constexpr_functions.cc: Likewise.
2519         * testsuite/26_numerics/random/linear_congruential_engine/requirements/
2520         constexpr_data.cc: Likewise.
2521         * testsuite/26_numerics/random/linear_congruential_engine/requirements/
2522         constexpr_functions.cc: Likewise.
2523         * testsuite/26_numerics/random/mersenne_twister_engine/requirements/
2524         constexpr_data.cc: Likewise.
2525         * testsuite/26_numerics/random/mersenne_twister_engine/requirements/
2526         constexpr_functions.cc: Likewise.
2527         * testsuite/26_numerics/random/pr60037-neg.cc: Likewise.
2528         * testsuite/26_numerics/random/seed_seq/cons/65631.cc: Likewise.
2529         * testsuite/26_numerics/random/shuffle_order_engine/requirements/
2530         constexpr_data.cc: Add dg-require-cstdint directive.
2531         * testsuite/26_numerics/random/shuffle_order_engine/requirements/
2532         constexpr_functions.cc: Likewise.
2533         * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/
2534         constexpr_data.cc: Likewise.
2535         * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/
2536         constexpr_functions.cc: Likewise.
2537         * testsuite/26_numerics/random/uniform_real_distribution/operators/
2538         64351.cc: Likewise.
2539         * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc: Likewise.
2540         * testsuite/experimental/algorithm/sample-2.cc: Likewise.
2541         * testsuite/experimental/algorithm/sample.cc: Likewise.
2542         * testsuite/experimental/algorithm/search.cc: Likewise.
2543         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
2544         * testsuite/experimental/any/cons/aligned.cc: Likewise.
2545         * testsuite/experimental/memory_resource/new_delete_resource.cc:
2546         Likewise.
2547         * testsuite/experimental/memory_resource/resource_adaptor.cc: Likewise.
2548         * testsuite/experimental/random/randint.cc: Likewise.
2549         * testsuite/experimental/source_location/1.cc: Likewise.
2550         * testsuite/ext/bitmap_allocator/overaligned.cc: Likewise.
2551         * testsuite/ext/malloc_allocator/overaligned.cc: Likewise.
2552         * testsuite/ext/mt_allocator/overaligned.cc: Likewise.
2553         * testsuite/ext/new_allocator/overaligned.cc: Likewise.
2554         * testsuite/ext/pb_ds/regression/hash_map_rand.cc: Likewise.
2555         * testsuite/ext/pb_ds/regression/hash_set_rand.cc: Likewise.
2556         * testsuite/ext/pb_ds/regression/list_update_map_rand.cc: Likewise.
2557         * testsuite/ext/pb_ds/regression/list_update_set_rand.cc: Likewise.
2558         * testsuite/ext/pb_ds/regression/priority_queue_rand.cc: Likewise.
2559         * testsuite/ext/pb_ds/regression/tree_map_rand.cc: Likewise.
2560         * testsuite/ext/pb_ds/regression/tree_set_rand.cc: Likewise.
2561         * testsuite/ext/pb_ds/regression/trie_map_rand.cc: Likewise.
2562         * testsuite/ext/pb_ds/regression/trie_set_rand.cc: Likewise.
2563         * testsuite/ext/pool_allocator/overaligned.cc: Likewise.
2564         * testsuite/ext/throw_allocator/check_allocate_max_size.cc: Likewise.
2565         * testsuite/ext/throw_allocator/check_deallocate_null.cc: Likewise.
2566         * testsuite/ext/throw_allocator/check_delete.cc: Likewise.
2567         * testsuite/ext/throw_allocator/check_new.cc: Likewise.
2568         * testsuite/ext/throw_allocator/deallocate_global.cc: Likewise.
2569         * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
2570         * testsuite/ext/throw_allocator/explicit_instantiation.cc: Likewise.
2571         * testsuite/ext/throw_allocator/variadic_construct.cc: Likewise.
2572         * testsuite/tr1/8_c_compatibility/cinttypes/functions.cc: Likewise.
2573
2574         * testsuite/30_threads/recursive_mutex/cons/1.cc: Likewise.
2575         * testsuite/30_threads/recursive_mutex/cons/assign_neg.cc: Likewise.
2576         * testsuite/30_threads/recursive_mutex/cons/copy_neg.cc: Likewise.
2577         * testsuite/30_threads/recursive_mutex/dest/destructor_locked.cc:
2578         Likewise.
2579         * testsuite/30_threads/recursive_mutex/lock/1.cc: Likewise.
2580         * testsuite/30_threads/recursive_mutex/native_handle/1.cc: Likewise.
2581         * testsuite/30_threads/recursive_mutex/native_handle/typesizes.cc:
2582         Likewise.
2583         * testsuite/30_threads/recursive_mutex/requirements/standard_layout.cc:
2584         Likewise.
2585         * testsuite/30_threads/recursive_mutex/requirements/typedefs.cc:
2586         Likewise.
2587         * testsuite/30_threads/recursive_mutex/try_lock/1.cc: Likewise.
2588         * testsuite/30_threads/recursive_mutex/try_lock/2.cc: Likewise.
2589         * testsuite/30_threads/recursive_mutex/unlock/1.cc: Likewise.
2590         * testsuite/30_threads/recursive_mutex/unlock/2.cc: Likewise.
2591         * testsuite/30_threads/recursive_timed_mutex/cons/1.cc: Likewise.
2592         * testsuite/30_threads/recursive_timed_mutex/cons/assign_neg.cc:
2593         Likewise.
2594         * testsuite/30_threads/recursive_timed_mutex/cons/copy_neg.cc:
2595         Likewise.
2596         * testsuite/30_threads/recursive_timed_mutex/dest/
2597         destructor_locked.cc: Likewise.
2598         * testsuite/30_threads/recursive_timed_mutex/lock/1.cc: Likewise.
2599         * testsuite/30_threads/recursive_timed_mutex/lock/2.cc: Likewise.
2600         * testsuite/30_threads/recursive_timed_mutex/native_handle/1.cc:
2601         Likewise.
2602         * testsuite/30_threads/recursive_timed_mutex/native_handle/
2603         typesizes.cc: Likewise.
2604         * testsuite/30_threads/recursive_timed_mutex/requirements/typedefs.cc:
2605         Likewise.
2606         * testsuite/30_threads/recursive_timed_mutex/try_lock/1.cc:
2607         Likewise.
2608         * testsuite/30_threads/recursive_timed_mutex/try_lock/2.cc:
2609         Likewise.
2610         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/1.cc:
2611         Likewise.
2612         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/2.cc:
2613         Likewise.
2614         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/3.cc:
2615         Likewise.
2616         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/1.cc:
2617         Likewise.
2618         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/2.cc:
2619         Likewise.
2620         * testsuite/30_threads/recursive_timed_mutex/unlock/1.cc: Likewise.
2621         * testsuite/30_threads/recursive_timed_mutex/unlock/2.cc: Likewise.
2622         * testsuite/30_threads/scoped_lock/cons/1.cc: Likewise.
2623         * testsuite/30_threads/scoped_lock/requirements/
2624         explicit_instantiation.cc: Likewise.
2625         * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Likewise.
2626         * testsuite/30_threads/shared_future/cons/assign.cc: Likewise.
2627         * testsuite/30_threads/shared_future/cons/constexpr.cc: Likewise.
2628         * testsuite/30_threads/shared_future/cons/copy.cc: Likewise.
2629         * testsuite/30_threads/shared_future/cons/default.cc: Likewise.
2630         * testsuite/30_threads/shared_future/cons/move.cc: Likewise.
2631         * testsuite/30_threads/shared_future/cons/move_assign.cc: Likewise.
2632         * testsuite/30_threads/shared_future/members/45133.cc: Likewise.
2633         * testsuite/30_threads/shared_future/members/get.cc: Likewise.
2634         * testsuite/30_threads/shared_future/members/get2.cc: Likewise.
2635         * testsuite/30_threads/shared_future/members/valid.cc: Likewise.
2636         * testsuite/30_threads/shared_future/members/wait.cc: Likewise.
2637         * testsuite/30_threads/shared_future/members/wait_for.cc: Likewise.
2638         * testsuite/30_threads/shared_future/members/wait_until.cc: Likewise.
2639         * testsuite/30_threads/shared_future/requirements/
2640         explicit_instantiation.cc: Likewise.
2641         * testsuite/30_threads/shared_lock/cons/1.cc: Likewise.
2642         * testsuite/30_threads/shared_lock/cons/2.cc: Likewise.
2643         * testsuite/30_threads/shared_lock/cons/3.cc: Likewise.
2644         * testsuite/30_threads/shared_lock/cons/4.cc: Likewise.
2645         * testsuite/30_threads/shared_lock/cons/5.cc: Likewise.
2646         * testsuite/30_threads/shared_lock/cons/6.cc: Likewise.
2647         * testsuite/30_threads/shared_lock/locking/1.cc: Likewise.
2648         * testsuite/30_threads/shared_lock/locking/2.cc: Likewise.
2649         * testsuite/30_threads/shared_lock/locking/3.cc: Likewise.
2650         * testsuite/30_threads/shared_lock/locking/4.cc: Likewise.
2651         * testsuite/30_threads/shared_lock/modifiers/1.cc: Likewise.
2652         * testsuite/30_threads/shared_lock/requirements/
2653         explicit_instantiation.cc: Likewise.
2654         * testsuite/30_threads/shared_lock/requirements/typedefs.cc: Likewise.
2655         * testsuite/30_threads/shared_mutex/cons/1.cc: Likewise.
2656         * testsuite/30_threads/shared_mutex/cons/assign_neg.cc: Likewise.
2657         * testsuite/30_threads/shared_mutex/cons/copy_neg.cc: Likewise.
2658         * testsuite/30_threads/shared_mutex/requirements/standard_layout.cc:
2659         Likewise.
2660         * testsuite/30_threads/shared_mutex/try_lock/1.cc: Likewise.
2661         * testsuite/30_threads/shared_mutex/try_lock/2.cc: Likewise.
2662         * testsuite/30_threads/shared_mutex/unlock/1.cc: Likewise.
2663         * testsuite/30_threads/shared_timed_mutex/cons/1.cc: Likewise.
2664         * testsuite/30_threads/shared_timed_mutex/cons/assign_neg.cc: Likewise.
2665         * testsuite/30_threads/shared_timed_mutex/cons/copy_neg.cc: Likewise.
2666         * testsuite/30_threads/shared_timed_mutex/requirements/
2667         standard_layout.cc: Likewise.
2668         * testsuite/30_threads/shared_timed_mutex/try_lock/1.cc: Likewise.
2669         * testsuite/30_threads/shared_timed_mutex/try_lock/2.cc: Likewise.
2670         * testsuite/30_threads/shared_timed_mutex/try_lock/3.cc: Likewise.
2671         * testsuite/30_threads/shared_timed_mutex/unlock/1.cc: Likewise.
2672         * testsuite/30_threads/this_thread/1.cc: Likewise.
2673         * testsuite/30_threads/this_thread/2.cc: Likewise.
2674         * testsuite/30_threads/this_thread/3.cc: Likewise.
2675         * testsuite/30_threads/this_thread/4.cc: Likewise.
2676         * testsuite/30_threads/this_thread/58038.cc: Likewise.
2677         * testsuite/30_threads/thread/70503.cc: Likewise.
2678         * testsuite/30_threads/thread/84532.cc: Likewise.
2679         * testsuite/30_threads/thread/adl.cc: Likewise.
2680         * testsuite/30_threads/thread/cons/1.cc: Likewise.
2681         * testsuite/30_threads/thread/cons/2.cc: Likewise.
2682         * testsuite/30_threads/thread/cons/3.cc: Likewise.
2683         * testsuite/30_threads/thread/cons/4.cc: Likewise.
2684         * testsuite/30_threads/thread/cons/49668.cc: Likewise.
2685         * testsuite/30_threads/thread/cons/5.cc: Likewise.
2686         * testsuite/30_threads/thread/cons/6.cc: Likewise.
2687         * testsuite/30_threads/thread/cons/7.cc: Likewise.
2688         * testsuite/30_threads/thread/cons/8.cc: Likewise.
2689         * testsuite/30_threads/thread/cons/84535.cc: Likewise.
2690         * testsuite/30_threads/thread/cons/9.cc: Likewise.
2691         * testsuite/30_threads/thread/cons/assign_neg.cc: Likewise.
2692         * testsuite/30_threads/thread/cons/copy_neg.cc: Likewise.
2693         * testsuite/30_threads/thread/cons/lwg2097.cc: Likewise.
2694         * testsuite/30_threads/thread/cons/moveable.cc: Likewise.
2695         * testsuite/30_threads/thread/cons/terminate.cc: Likewise.
2696         * testsuite/30_threads/thread/id/operators.cc: Likewise.
2697         * testsuite/30_threads/thread/members/1.cc: Likewise.
2698         * testsuite/30_threads/thread/members/2.cc: Likewise.
2699         * testsuite/30_threads/thread/members/3.cc: Likewise.
2700         * testsuite/30_threads/thread/members/4.cc: Likewise.
2701         * testsuite/30_threads/thread/members/5.cc: Likewise.
2702         * testsuite/30_threads/thread/members/hardware_concurrency.cc:
2703         Likewise.
2704         * testsuite/30_threads/thread/native_handle/cancel.cc: Likewise.
2705         * testsuite/30_threads/thread/swap/1.cc: Likewise.
2706         * testsuite/30_threads/timed_mutex/cons/1.cc: Likewise.
2707         * testsuite/30_threads/timed_mutex/cons/assign_neg.cc: Likewise.
2708         * testsuite/30_threads/timed_mutex/cons/copy_neg.cc: Likewise.
2709         * testsuite/30_threads/timed_mutex/dest/destructor_locked.cc: Likewise.
2710         * testsuite/30_threads/timed_mutex/lock/1.cc: Likewise.
2711         * testsuite/30_threads/timed_mutex/native_handle/1.cc: Likewise.
2712         * testsuite/30_threads/timed_mutex/native_handle/typesizes.cc:
2713         Likewise.
2714         * testsuite/30_threads/timed_mutex/requirements/
2715         standard_layout.cc: Likewise.
2716         * testsuite/30_threads/timed_mutex/requirements/typedefs.cc: Likewise.
2717         * testsuite/30_threads/timed_mutex/try_lock/1.cc: Likewise.
2718         * testsuite/30_threads/timed_mutex/try_lock/2.cc: Likewise.
2719         * testsuite/30_threads/timed_mutex/try_lock_for/1.cc: Likewise.
2720         * testsuite/30_threads/timed_mutex/try_lock_for/2.cc: Likewise.
2721         * testsuite/30_threads/timed_mutex/try_lock_for/3.cc: Likewise.
2722         * testsuite/30_threads/timed_mutex/try_lock_until/1.cc: Likewise.
2723         * testsuite/30_threads/timed_mutex/try_lock_until/2.cc: Likewise.
2724         * testsuite/30_threads/timed_mutex/try_lock_until/57641.cc: Likewise.
2725         * testsuite/30_threads/timed_mutex/unlock/1.cc: Likewise.
2726         * testsuite/30_threads/timed_mutex/unlock/2.cc: Likewise.
2727         * testsuite/30_threads/try_lock/1.cc: Likewise.
2728         * testsuite/30_threads/try_lock/2.cc: Likewise.
2729         * testsuite/30_threads/try_lock/3.cc: Likewise.
2730         * testsuite/30_threads/try_lock/4.cc: Likewise.
2731         * testsuite/30_threads/unique_lock/cons/1.cc: Likewise.
2732         * testsuite/30_threads/unique_lock/cons/2.cc: Likewise.
2733         * testsuite/30_threads/unique_lock/cons/3.cc: Likewise.
2734         * testsuite/30_threads/unique_lock/cons/4.cc: Likewise.
2735         * testsuite/30_threads/unique_lock/cons/5.cc: Likewise.
2736         * testsuite/30_threads/unique_lock/cons/6.cc: Likewise.
2737         * testsuite/30_threads/unique_lock/locking/1.cc: Likewise.
2738         * testsuite/30_threads/unique_lock/locking/2.cc: Likewise.
2739         * testsuite/30_threads/unique_lock/locking/3.cc: Likewise.
2740         * testsuite/30_threads/unique_lock/locking/4.cc: Likewise.
2741         * testsuite/30_threads/unique_lock/modifiers/1.cc: Likewise.
2742         * testsuite/30_threads/unique_lock/requirements/
2743         explicit_instantiation.cc: Likewise.
2744         * testsuite/30_threads/unique_lock/requirements/typedefs.cc: Likewise.
2745
2746         * testsuite/30_threads/async/42819.cc: Remove dg-require-cstdint
2747         directive.
2748         * testsuite/30_threads/async/49668.cc: Likewise.
2749         * testsuite/30_threads/async/54297.cc: Likewise.
2750         * testsuite/30_threads/async/84532.cc: Likewise.
2751         * testsuite/30_threads/async/any.cc: Likewise.
2752         * testsuite/30_threads/async/async.cc: Likewise.
2753         * testsuite/30_threads/async/except.cc: Likewise.
2754         * testsuite/30_threads/async/forced_unwind.cc: Likewise.
2755         * testsuite/30_threads/async/launch.cc: Likewise.
2756         * testsuite/30_threads/async/lwg2021.cc: Likewise.
2757         * testsuite/30_threads/async/sync.cc: Likewise.
2758         * testsuite/30_threads/call_once/39909.cc: Likewise.
2759         * testsuite/30_threads/call_once/49668.cc: Likewise.
2760         * testsuite/30_threads/call_once/60497.cc: Likewise.
2761         * testsuite/30_threads/call_once/call_once1.cc: Likewise.
2762         * testsuite/30_threads/call_once/constexpr.cc: Likewise.
2763         * testsuite/30_threads/call_once/dr2442.cc: Likewise.
2764         * testsuite/30_threads/call_once/once_flag.cc: Likewise.
2765         * testsuite/30_threads/condition_variable/54185.cc: Likewise.
2766         * testsuite/30_threads/condition_variable/cons/1.cc: Likewise.
2767         * testsuite/30_threads/condition_variable/cons/assign_neg.cc:
2768         Likewise.
2769         * testsuite/30_threads/condition_variable/cons/copy_neg.cc: Likewise.
2770         * testsuite/30_threads/condition_variable/members/1.cc: Likewise.
2771         * testsuite/30_threads/condition_variable/members/2.cc: Likewise.
2772         * testsuite/30_threads/condition_variable/members/3.cc: Likewise.
2773         * testsuite/30_threads/condition_variable/members/53841.cc: Likewise.
2774         * testsuite/30_threads/condition_variable/members/68519.cc: Likewise.
2775         * testsuite/30_threads/condition_variable/native_handle/typesizes.cc:
2776         Likewise.
2777         * testsuite/30_threads/condition_variable/requirements/
2778         standard_layout.cc: Likewise.
2779         * testsuite/30_threads/condition_variable/requirements/typedefs.cc:
2780         * Likewise.
2781         * testsuite/30_threads/condition_variable_any/50862.cc: Likewise.
2782         * testsuite/30_threads/condition_variable_any/53830.cc: Likewise.
2783         * testsuite/30_threads/condition_variable_any/cons/1.cc: Likewise.
2784         * testsuite/30_threads/condition_variable_any/cons/assign_neg.cc:
2785         Likewise.
2786         * testsuite/30_threads/condition_variable_any/cons/copy_neg.cc:
2787         Likewise.
2788         * testsuite/30_threads/condition_variable_any/members/1.cc: Likewise.
2789         * testsuite/30_threads/condition_variable_any/members/2.cc: Likewise.
2790         * testsuite/30_threads/future/cons/assign_neg.cc: Likewise.
2791         * testsuite/30_threads/future/cons/constexpr.cc: Likewise.
2792         * testsuite/30_threads/future/cons/copy_neg.cc: Likewise.
2793         * testsuite/30_threads/future/cons/default.cc: Likewise.
2794         * testsuite/30_threads/future/cons/move.cc: Likewise.
2795         * testsuite/30_threads/future/cons/move_assign.cc: Likewise.
2796         * testsuite/30_threads/future/members/45133.cc: Likewise.
2797         * testsuite/30_threads/future/members/get.cc: Likewise.
2798         * testsuite/30_threads/future/members/get2.cc: Likewise.
2799         * testsuite/30_threads/future/members/share.cc: Likewise.
2800         * testsuite/30_threads/future/members/valid.cc: Likewise.
2801         * testsuite/30_threads/future/members/wait.cc: Likewise.
2802         * testsuite/30_threads/future/members/wait_for.cc: Likewise.
2803         * testsuite/30_threads/future/members/wait_until.cc: Likewise.
2804         * testsuite/30_threads/future/requirements/explicit_instantiation.cc:
2805         Likewise.
2806         * testsuite/30_threads/headers/condition_variable/types_std_c++0x.cc:
2807         Likewise.
2808         * testsuite/30_threads/headers/future/types_std_c++0x.cc: Likewise.
2809         * testsuite/30_threads/headers/mutex/types_std_c++0x.cc: Likewise.
2810         * testsuite/30_threads/headers/thread/std_c++0x_neg.cc: Likewise.
2811         * testsuite/30_threads/headers/thread/types_std_c++0x.cc: Likewise.
2812         * testsuite/30_threads/lock/1.cc: Likewise.
2813         * testsuite/30_threads/lock/2.cc: Likewise.
2814         * testsuite/30_threads/lock/3.cc: Likewise.
2815         * testsuite/30_threads/lock/4.cc: Likewise.
2816         * testsuite/30_threads/lock_guard/cons/1.cc: Likewise.
2817         * testsuite/30_threads/lock_guard/requirements/
2818         explicit_instantiation.cc: Likewise.
2819         * testsuite/30_threads/lock_guard/requirements/typedefs.cc: Likewise.
2820         * testsuite/30_threads/mutex/cons/1.cc: Likewise.
2821         * testsuite/30_threads/mutex/cons/assign_neg.cc: Likewise.
2822         * testsuite/30_threads/mutex/cons/constexpr.cc: Likewise.
2823         * testsuite/30_threads/mutex/cons/copy_neg.cc: Likewise.
2824         * testsuite/30_threads/mutex/dest/destructor_locked.cc: Likewise.
2825         * testsuite/30_threads/mutex/lock/1.cc: Likewise.
2826         * testsuite/30_threads/mutex/native_handle/1.cc: Likewise.
2827         * testsuite/30_threads/mutex/native_handle/typesizes.cc: Likewise.
2828         * testsuite/30_threads/mutex/requirements/standard_layout.cc::
2829         Likewise.
2830         * testsuite/30_threads/mutex/requirements/typedefs.cc: Likewise.
2831         * testsuite/30_threads/mutex/try_lock/1.cc: Likewise.
2832         * testsuite/30_threads/mutex/try_lock/2.cc: Likewise.
2833         * testsuite/30_threads/mutex/unlock/1.cc: Likewise.
2834         * testsuite/30_threads/mutex/unlock/2.cc: Likewise.
2835         * testsuite/30_threads/once_flag/cons/constexpr.cc: Likewise.
2836         * testsuite/30_threads/packaged_task/49668.cc: Likewise.
2837         * testsuite/30_threads/packaged_task/60564.cc: Likewise.
2838         * testsuite/30_threads/packaged_task/cons/1.cc: Likewise.
2839         * testsuite/30_threads/packaged_task/cons/2.cc: Likewise.
2840         * testsuite/30_threads/packaged_task/cons/3.cc: Likewise.
2841         * testsuite/30_threads/packaged_task/cons/56492.cc: Likewise.
2842         * testsuite/30_threads/packaged_task/cons/alloc.cc: Likewise.
2843         * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
2844         * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
2845         * testsuite/30_threads/packaged_task/cons/assign_neg.cc: Likewise.
2846         * testsuite/30_threads/packaged_task/cons/copy_neg.cc: Likewise.
2847         * testsuite/30_threads/packaged_task/cons/move.cc: Likewise.
2848         * testsuite/30_threads/packaged_task/cons/move_assign.cc: Likewise.
2849         * testsuite/30_threads/packaged_task/members/at_thread_exit.cc:
2850         Likewise.
2851         * testsuite/30_threads/packaged_task/members/get_future.cc: Likewise.
2852         * testsuite/30_threads/packaged_task/members/get_future2.cc: Likewise.
2853         * testsuite/30_threads/packaged_task/members/invoke.cc: Likewise.
2854         * testsuite/30_threads/packaged_task/members/invoke2.cc: Likewise.
2855         * testsuite/30_threads/packaged_task/members/invoke3.cc: Likewise.
2856         * testsuite/30_threads/packaged_task/members/invoke4.cc: Likewise.
2857         * testsuite/30_threads/packaged_task/members/invoke5.cc: Likewise.
2858         * testsuite/30_threads/packaged_task/members/reset.cc: Likewise.
2859         * testsuite/30_threads/packaged_task/members/reset2.cc: Likewise.
2860         * testsuite/30_threads/packaged_task/members/swap.cc: Likewise.
2861         * testsuite/30_threads/packaged_task/members/valid.cc: Likewise.
2862         * testsuite/30_threads/packaged_task/requirements/
2863         explicit_instantiation.cc: Likewise.
2864         * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
2865         * testsuite/30_threads/promise/60966.cc: Likewise.
2866         * testsuite/30_threads/promise/69106.cc: Likewise.
2867         * testsuite/30_threads/promise/cons/1.cc: Likewise.
2868         * testsuite/30_threads/promise/cons/alloc.cc: Likewise.
2869         * testsuite/30_threads/promise/cons/alloc2.cc: Likewise.
2870         * testsuite/30_threads/promise/cons/alloc_min.cc: Likewise.
2871         * testsuite/30_threads/promise/cons/assign_neg.cc: Likewise.
2872         * testsuite/30_threads/promise/cons/copy_neg.cc: Likewise.
2873         * testsuite/30_threads/promise/cons/move.cc: Likewise.
2874         * testsuite/30_threads/promise/cons/move_assign.cc: Likewise.
2875         * testsuite/30_threads/promise/members/at_thread_exit.cc: Likewise.
2876         * testsuite/30_threads/promise/members/at_thread_exit2.cc: Likewise.
2877         * testsuite/30_threads/promise/members/get_future.cc: Likewise.
2878         * testsuite/30_threads/promise/members/get_future2.cc: Likewise.
2879         * testsuite/30_threads/promise/members/set_exception.cc: Likewise.
2880         * testsuite/30_threads/promise/members/set_exception2.cc: Likewise.
2881         * testsuite/30_threads/promise/members/set_value.cc: Likewise.
2882         * testsuite/30_threads/promise/members/set_value2.cc: Likewise.
2883         * testsuite/30_threads/promise/members/set_value3.cc: Likewise.
2884         * testsuite/30_threads/promise/members/swap.cc: Likewise.
2885         * testsuite/30_threads/promise/requirements/explicit_instantiation.cc:
2886         * Likewise.
2887         * testsuite/30_threads/promise/uses_allocator.cc: Likewise.
2888
2889         * testsuite/18_support/numeric_limits/char16_32_t.cc: Qualify names
2890         from namespace std.
2891         * testsuite/20_util/align/2.cc: Remove dg-require-cstdint directive.
2892         * testsuite/20_util/duration/arithmetic/1.cc: Likewise.
2893         * testsuite/20_util/duration/arithmetic/2.cc: Likewise.
2894         * testsuite/20_util/duration/arithmetic/dr2020.cc: Likewise.
2895         * testsuite/20_util/duration/arithmetic/dr934-1.cc: Likewise.
2896         * testsuite/20_util/duration/arithmetic/dr934-2.cc: Likewise.
2897         * testsuite/20_util/duration/comparison_operators/1.cc: Likewise.
2898         * testsuite/20_util/duration/cons/1.cc: Likewise.
2899         * testsuite/20_util/duration/cons/1_neg.cc: Likewise.
2900         * testsuite/20_util/duration/cons/2.cc: Likewise.
2901         * testsuite/20_util/duration/cons/54025.cc: Likewise.
2902         * testsuite/20_util/duration/cons/dr974_neg.cc: Likewise.
2903         * testsuite/20_util/duration/requirements/explicit_instantiation/
2904         explicit_instantiation.cc: Likewise.
2905         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
2906         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
2907         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
2908         * testsuite/20_util/make_signed/requirements/typedefs-4.cc: Likewise.
2909         * testsuite/20_util/ratio/comparisons/comp1.cc: Likewise.
2910         * testsuite/20_util/ratio/comparisons/comp2.cc: Likewise.
2911         * testsuite/20_util/ratio/comparisons/comp3.cc: Likewise.
2912         * testsuite/20_util/ratio/cons/cons1.cc: Likewise.
2913         * testsuite/20_util/ratio/operations/45866.cc: Likewise.
2914         * testsuite/20_util/ratio/operations/47913.cc: Likewise.
2915         * testsuite/20_util/ratio/operations/53840.cc: Likewise.
2916         * testsuite/20_util/ratio/operations/ops1.cc: Likewise.
2917         * testsuite/20_util/shared_ptr/atomic/3.cc: Likewise.
2918         * testsuite/20_util/system_clock/1.cc: Likewise.
2919         * testsuite/20_util/time_point/1.cc: Likewise.
2920         * testsuite/20_util/time_point/2.cc: Likewise.
2921         * testsuite/20_util/time_point/3.cc: Likewise.
2922         * testsuite/20_util/time_point/requirements/explicit_instantiation/
2923         explicit_instantiation.cc: Likewise.
2924         * testsuite/21_strings/basic_string/requirements/
2925         explicit_instantiation/char16_t/1.cc: Likewise.
2926         * testsuite/21_strings/basic_string/requirements/
2927         explicit_instantiation/char32_t/1.cc: Likewise.
2928         * testsuite/21_strings/basic_string_view/requirements/
2929         explicit_instantiation/char16_t/1.cc: Likewise.
2930         * testsuite/21_strings/basic_string_view/requirements/
2931         explicit_instantiation/char32_t/1.cc: Likewise.
2932         * testsuite/21_strings/char_traits/requirements/
2933         explicit_instantiation/char16_t/1.cc: Likewise.
2934         * testsuite/21_strings/char_traits/requirements/
2935         explicit_instantiation/char32_t/1.cc: Likewise.
2936         * testsuite/21_strings/headers/string/types_std_c++0x.cc: Likewise.
2937         * testsuite/22_locale/codecvt/char16_t.cc: Likewise.
2938         * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
2939         * testsuite/22_locale/codecvt/codecvt_utf16/requirements/1.cc:
2940         Likewise.
2941         * testsuite/22_locale/codecvt/codecvt_utf8/requirements/1.cc:
2942         Likewise.
2943         * testsuite/22_locale/codecvt/codecvt_utf8_utf16/requirements/1.cc:
2944         Likewise.
2945         * testsuite/22_locale/codecvt/utf8.cc: Likewise.
2946         * testsuite/23_containers/vector/bool/72847.cc: Likewise.
2947         * testsuite/23_containers/vector/debug/multithreaded_swap.cc:
2948         Likewise.
2949         * testsuite/experimental/string_view/requirements/
2950         explicit_instantiation/char16_t/1.cc: Likewise.
2951         * testsuite/experimental/string_view/requirements/
2952         explicit_instantiation/char32_t/1.cc: Likewise.
2953         * testsuite/ext/vstring/requirements/explicit_instantiation/char16_t/
2954         1.cc: Likewise.
2955         * testsuite/ext/vstring/requirements/explicit_instantiation/char32_t/
2956         1.cc: Likewise.
2957
2958         * include/ext/throw_allocator.h [!_GLIBCXX_USE_C99_STDINT_TR1]
2959         (random_condition, throw_value_random, throw_allocator_random)
2960         (std::hash<throw_value_random>): Do not define when <tr1/random> is
2961         not usable.
2962         * src/c++11/cow-stdexcept.cc [!_GLIBCXX_USE_C99_STDINT_TR1]: Do not
2963         define transactional memory support when <stdint.h> is not usable.
2964
2965         * include/bits/hashtable_policy.h (__detail::__clp2): Use faster
2966         implementation that doesn't depend on <stdint.h> types.
2967         * include/std/memory (align) [!_GLIBCXX_USE_C99_STDINT_TR1]: Use
2968         std::size_t when std::uintptr_t is not usable.
2969         [!_GLIBCXX_USE_C99_STDINT_TR1] (pointer_safety, declare_reachable)
2970         (undeclare_reachable, declare_no_pointers, undeclare_no_pointers):
2971         Define independent of _GLIBCXX_USE_C99_STDINT_TR1.
2972
2973         * include/bits/basic_string.h [!_GLIBCXX_USE_C99_STDINT_TR1]
2974         (hash<u16string>, hash<u32string>): Remove dependency on
2975         _GLIBCXX_USE_C99_STDINT_TR1.
2976         * include/bits/char_traits.h [!_GLIBCXX_USE_C99_STDINT_TR1]
2977         (char_traits<char16_t>, char_traits<char32_t>): Remove dependency on
2978         _GLIBCXX_USE_C99_STDINT_TR1. Use __UINT_LEAST16_TYPE__ and
2979         __UINT_LEAST32_TYPE__ or make_unsigned when <stdint.h> is not usable.
2980         * include/bits/codecvt.h [!_GLIBCXX_USE_C99_STDINT_TR1]
2981         (codecvt<char16_t, char, mbstate_t>)
2982         (codecvt<char32_t, char, mbstate_t>)
2983         (codecvt_byname<char16_t, char, mbstate_t>)
2984         (codecvt_byname<char32_t, char, mbstate_t>): Remove dependency
2985         on _GLIBCXX_USE_C99_STDINT_TR1.
2986         * include/bits/locale_facets.h [!_GLIBCXX_USE_C99_STDINT_TR1]
2987         (_GLIBCXX_NUM_UNICODE_FACETS): Likewise.
2988         * include/bits/stringfwd.h [!_GLIBCXX_USE_C99_STDINT_TR1]
2989         (char_traits<char16_t>, char_traits<char32_t>)
2990         (basic_string<char16_t>, basic_string<char32_t>): Remove dependency
2991         on _GLIBCXX_USE_C99_STDINT_TR1.
2992         * include/experimental/string_view [!_GLIBCXX_USE_C99_STDINT_TR1]
2993         (u16string_view, u32string_view, hash<u16string_view>)
2994         (hash<u32string_view>, operator""sv(const char16_t, size_t))
2995         (operator""sv(const char32_t, size_t)): Likewise.
2996         * include/ext/vstring.h [!_GLIBCXX_USE_C99_STDINT_TR1]
2997         (hash<__u16vstring>, hash<__u32vstring>): Likewise.
2998         * include/ext/vstring_fwd.h [!_GLIBCXX_USE_C99_STDINT_TR1]
2999         (__u16vstring, __u16sso_string, __u16rc_string, __u32vstring)
3000         (__u32sso_string, __u32rc_string): Likewise.
3001         * include/std/codecvt [!_GLIBCXX_USE_C99_STDINT_TR1] (codecvt_mode)
3002         (codecvt_utf8, codecvt_utf16, codecvt_utf8_utf16): Likewise.
3003         * include/std/string_view [!_GLIBCXX_USE_C99_STDINT_TR1]
3004         (u16string_view, u32string_view, hash<u16string_view>)
3005         (hash<u32string_view>, operator""sv(const char16_t, size_t))
3006         (operator""sv(const char32_t, size_t)): Likewise.
3007         * src/c++11/codecvt.cc: Likewise.
3008         * src/c++98/locale_init.cc: Likewise.
3009         * src/c++98/localename.cc: Likewise.
3010
3011         * include/bits/atomic_futex.h [!_GLIBCXX_USE_C99_STDINT_TR1]
3012         (__atomic_futex_unsigned_base): Remove dependency on
3013         _GLIBCXX_USE_C99_STDINT_TR1 macro.
3014         * include/bits/unique_lock.h [!_GLIBCXX_USE_C99_STDINT_TR1]
3015         (unique_lock): Remove dependency on _GLIBCXX_USE_C99_STDINT_TR1.
3016         * include/c_global/cstdint [!_GLIBCXX_USE_C99_STDINT_TR1] (intmax_t)
3017         (uintmax_t): Define using predefined macros.
3018         * include/std/chrono [!_GLIBCXX_USE_C99_STDINT_TR1] (duration)
3019         (time_point, system_clock, high_resolution_clock, steady_clock): Remove
3020         dependency on _GLIBCXX_USE_C99_STDINT_TR1 macro.
3021         (nanoseconds, microseconds, milliseconds, seconds, minutes, hours):
3022         [!_GLIBCXX_USE_C99_STDINT_TR1]: Define using __INT64_TYPE__ or
3023         long long when <stdint.h> is not usable.
3024         * include/std/condition_variable [!_GLIBCXX_USE_C99_STDINT_TR1]
3025         (condition_variable, condition_variable_any): Remove dependency on
3026         _GLIBCXX_USE_C99_STDINT_TR1.
3027         * include/std/future [!_GLIBCXX_USE_C99_STDINT_TR1] (future, promise)
3028         (packaged_task, async): Likewise.
3029         * include/std/mutex [!_GLIBCXX_USE_C99_STDINT_TR1] (recursive_mutex)
3030         (timed_mutex, recursive_timed_mutex, try_lock, lock, scoped_lock)
3031         (once_flag, call_once): Likewise.
3032         * include/std/ratio [!_GLIBCXX_USE_C99_STDINT_TR1] (ratio): Likewise.
3033         * include/std/shared_mutex [!_GLIBCXX_USE_C99_STDINT_TR1]
3034         (shared_mutex, shared_timed_mutex, shared_lock): Likewise.
3035         * include/std/thread [!_GLIBCXX_USE_C99_STDINT_TR1] (thread)
3036         (this_thread::get_id, this_thread::yield, this_thread::sleep_for)
3037         (this_thread::sleep_until): Likewise.
3038         * src/c++11/chrono.cc: Remove dependency on
3039         _GLIBCXX_USE_C99_STDINT_TR1 macro.
3040         * src/c++11/condition_variable.cc: Likewise.
3041         * src/c++11/futex.cc: Likewise.
3042         * src/c++11/future.cc: Likewise.
3043         * src/c++11/mutex.cc: Likewise.
3044         * src/c++11/thread.cc: Likewise.
3045         * testsuite/20_util/duration/literals/range_neg.cc: Adjust dg-error.
3046         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
3047         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
3048         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
3049         * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Likewise.
3050         * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
3051
3052 2018-07-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3053
3054         PR libstdc++/77691
3055         * testsuite/experimental/memory_resource/new_delete_resource.cc:
3056         xfail execution on 32-bit Solaris/x86.
3057
3058 2018-07-26  Marc Glisse  <marc.glisse@inria.fr>
3059
3060         * include/bits/stl_vector.h (_Vector_impl_data::_M_copy_data): New.
3061         (_Vector_impl_data::_M_swap_data): Use _M_copy_data.
3062         (vector::_M_move_assign): Reorder the swaps.
3063
3064 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
3065
3066         PR libstdc++/86676
3067         * testsuite/20_util/monotonic_buffer_resource/release.cc: Request
3068         same alignment for post-release allocation.
3069
3070 2018-07-25  Jonathan Wakely  <jwakely@redhat.com>
3071
3072         PR libstdc++/86676
3073         * testsuite/20_util/monotonic_buffer_resource/release.cc: Allow for
3074         buffer being misaligned and so returned pointer not being at start.
3075
3076         * include/experimental/memory_resource: Include <cstddef> header.
3077
3078         * acinclude.m4 (glibcxx_SUBDIRS): Add src/c++17.
3079         * src/Makefile.am: Add comment.
3080         * src/c++17/Makefile.in: Regenerate.
3081
3082         * include/Makefile.am: Add new <bits/unique_lock.h> header.
3083         * include/Makefile.in: Regenerate.
3084         * include/bits/std_mutex.h [!_GLIBCXX_USE_C99_STDINT_TR1] (mutex)
3085         (lock_guard): Define independent of _GLIBCXX_USE_C99_STDINT_TR1.
3086         (unique_lock): Move definition to ...
3087         * include/bits/unique_lock.h: New header.
3088         [!_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock): Define unconditionally.
3089         [_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock(mutex_type&, time_point))
3090         (unique_lock(mutex_type&, duration), unique_lock::try_lock_until)
3091         (unique_lock::try_lock_for): Define only when <chrono> is usable.
3092         * include/std/condition_variable: Include <bits/unique_lock.h>.
3093         * include/std/mutex: Likewise.
3094
3095 2018-07-24  Jonathan Wakely  <jwakely@redhat.com>
3096
3097         * config/abi/pre/gnu.ver: Export new symbols.
3098         * configure: Regenerate.
3099         * include/Makefile.am: Add new <memory_resource> header.
3100         * include/Makefile.in: Regenerate.
3101         * include/precompiled/stdc++.h: Include <memory_resource> for C++17.
3102         * include/std/memory_resource: New header.
3103         (memory_resource, polymorphic_allocator, new_delete_resource)
3104         (null_memory_resource, set_default_resource, get_default_resource)
3105         (pool_options, monotonic_buffer_resource): Define.
3106         * src/Makefile.am: Add c++17 directory.
3107         * src/Makefile.in: Regenerate.
3108         * src/c++11/Makefile.am: Fix comment.
3109         * src/c++17/Makefile.am: Add makefile for new sub-directory.
3110         * src/c++17/Makefile.in: Generate.
3111         * src/c++17/memory_resource.cc: New.
3112         (newdel_res_t, null_res_t, constant_init, newdel_res, null_res)
3113         (default_res, new_delete_resource, null_memory_resource)
3114         (set_default_resource, get_default_resource): Define.
3115         * testsuite/20_util/memory_resource/1.cc: New test.
3116         * testsuite/20_util/memory_resource/2.cc: New test.
3117         * testsuite/20_util/monotonic_buffer_resource/1.cc: New test.
3118         * testsuite/20_util/monotonic_buffer_resource/allocate.cc: New test.
3119         * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: New test.
3120         * testsuite/20_util/monotonic_buffer_resource/release.cc: New test.
3121         * testsuite/20_util/monotonic_buffer_resource/upstream_resource.cc:
3122         New test.
3123         * testsuite/20_util/polymorphic_allocator/1.cc: New test.
3124         * testsuite/20_util/polymorphic_allocator/resource.cc: New test.
3125         * testsuite/20_util/polymorphic_allocator/select.cc: New test.
3126         * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource):
3127         Define concrete memory resource for testing.
3128         (__gnu_test::default_resource_mgr): Define RAII helper for changing
3129         default resource.
3130
3131         PR libstdc++/86658
3132         * include/bits/stl_algobase.h (__niter_wrap<_Iterator>): Pass unused
3133         parameter by reference, to avoid copying invalid iterators.
3134         * testsuite/25_algorithms/copy/86658.cc: New test.
3135
3136         * include/std/bit (__countl_zero, __countr_zero, __popcount): Use
3137         local variables for number of digits instead of type aliases.
3138         (__log2p1): Remove redundant branch also checked in __countl_zero.
3139
3140         * include/bits/uses_allocator.h (__is_erased_or_convertible): Reorder
3141         conditions. Add comments.
3142         * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error line.
3143         * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
3144         * testsuite/20_util/scoped_allocator/69293_neg.cc: Likewise.
3145
3146         * include/bits/uses_allocator.h (__is_erased_or_convertible): Remove.
3147         (__uses_allocator_helper): Check conditions directly instead of
3148         using __is_erased_or_convertible.
3149
3150         * include/experimental/memory_resource: Adjust comments and
3151         whitespace.
3152         (__resource_adaptor_imp): Add second template parameter for type of
3153         memory resource base class.
3154         (memory_resource): Define default constructor, destructor, copy
3155         constructor and copy assignment operator as defaulted.
3156
3157         PR libstdc++/70966
3158         * include/experimental/memory_resource (__get_default_resource): Use
3159         placement new to create an object with dynamic storage duration.
3160
3161 2018-07-23  Jonathan Wakely  <jwakely@redhat.com>
3162
3163         PR libstdc++/70940
3164         * include/experimental/memory_resource
3165         (__resource_adaptor_common::_AlignMgr::_M_unadjust): Add assertion.
3166         (__resource_adaptor_common::__guaranteed_alignment): New helper to
3167         give maximum alignment an allocator guarantees. Specialize for known
3168         allocators using new and malloc.
3169         (__resource_adaptor_imp::do_allocate): Use __guaranteed_alignment.
3170         (__resource_adaptor_imp::do_deallocate): Likewise.
3171         * testsuite/experimental/memory_resource/new_delete_resource.cc:
3172         Check that new and delete are called with expected sizes.
3173
3174 2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
3175
3176         PR libstdc++/86595
3177         * include/bits/fs_dir.h (directory_entry::refresh(error_code&)): Add
3178         noexcept.
3179
3180 2018-07-20  Fangrui Song  <maskray@google.com>
3181
3182         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Use
3183         _GLIBCXX_VISIBILITY(default).
3184
3185 2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
3186
3187         PR libstdc++/86603
3188         * include/std/version: Move __cpp_lib_list_remove_return_type macro.
3189
3190 2018-07-19  Jonathan Wakely  <jwakely@redhat.com>
3191
3192         * include/std/type_traits (__is_member_object_pointer_helper): Use
3193         __not_<is_function<_Tp>>::type instead of integral_constant.
3194         (__is_member_function_pointer_helper): Likewise for
3195         is_function<_Tp>::type.
3196         (is_compund): Likewise for __not_<is_fundamental<_Tp>>::type.
3197         (__do_is_nt_destructible_impl): Use __bool_constant and reindent.
3198         (is_trivially_constructible): Remove redundant use of
3199         is_constructible.
3200         (__is_trivially_copy_assignable_impl): Remove redundant use of
3201         is_copy_assignable.
3202         (__is_trivially_move_assignable_impl): Remove redundant use of
3203         is_move_assignable.
3204         (is_trivially_destructible): Use __bool_constant.
3205         * testsuite/20_util/is_trivially_assignable/value.cc: Add some more
3206         tests for scalar types.
3207
3208 2018-07-19  Glen Joseph Fernandes  <glenjofe@gmail.com>
3209
3210         * include/bits/stl_algobase.h (__copy_move_a): Used
3211         __is_trivially_copyable.
3212         (__copy_move_backward_a): Likewise.
3213         * testsuite/20_util/specialized_algorithms/uninitialized_copy/1.cc:
3214         New test.
3215
3216 2018-07-17  Jonathan Wakely  <jwakely@redhat.com>
3217
3218         PR libstdc++/86450
3219         * acinclude.m4 (GLIBCXX_CHECK_COMPILER_FEATURES): Don't define WERROR.
3220         (GLIBCXX_EXPORT_FLAGS): Use -Wabi=2 instead of -Wabi.
3221         * configure: Regenerate.
3222         * configure.ac: Change GLIBCXX_ENABLE_WERROR default to "no".
3223         * doc/Makefile.in: Regenerate.
3224         * fragment.am: Set WERROR_FLAG to -Werror instead of $(WERROR).
3225         * include/Makefile.in: Regenerate.
3226         * libsupc++/Makefile.in: Regenerate.
3227         * po/Makefile.in: Regenerate.
3228         * python/Makefile.in: Regenerate.
3229         * src/Makefile.in: Regenerate.
3230         * src/c++11/Makefile.in: Regenerate.
3231         * src/c++11/debug.cc: Use diagnostic pragmas to suppress warnings
3232         from -Wabi=2 that don't affect exported symbols.
3233         * src/c++98/Makefile.in: Regenerate.
3234         * src/filesystem/Makefile.in: Regenerate.
3235         * testsuite/Makefile.in: Regenerate.
3236
3237         * src/c++11/compatibility-thread-c++0x.cc [_GLIBCXX_SHARED]
3238         (_Async_state_common::_M_join): Simplify use of std::call_once and
3239         corresponding explicit instantiation.
3240         (_Maybe_wrap_member_pointer, _Bind_simple, _Bind_simple_helper)
3241         (__bind_simple): Remove definitions and explicit instantiation that
3242         are not required by exported symbols.
3243
3244 2018-07-16  Jonathan Wakely  <jwakely@redhat.com>
3245
3246         * scripts/create_testsuite_files: Fix typo in comment.
3247
3248         PR libstdc++/86537
3249         * include/bits/shared_ptr.h (less<shared_ptr<_Tp>>): Remove
3250         non-standard partial specialization.
3251         * include/bits/shared_ptr_base.h (_Sp_less): Remove class definition.
3252         (less<__shared_ptr<_Tp, _Lp>): Remove partial specialization.
3253         * testsuite/20_util/shared_ptr/comparison/86537.cc: New test.
3254
3255 2018-07-16  Andreas Krebbel  <krebbel@linux.ibm.com>
3256
3257         * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
3258         * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
3259         * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
3260
3261 2018-07-06  François Dumont  <fdumont@gcc.gnu.org>
3262
3263         * include/debug/functions.h (__gnu_debug::__check_string): Move...
3264         * include/debug/string (__gnu_debug::__check_string): ... here.
3265         (_GLIBCXX_DEBUG_VERIFY_STR_COND_AT): New.
3266         (__glibcxx_check_string_n_constructor): New.
3267         (__gnu_debug::basic_string<>(const _CharT*, size_type, const _Alloc&)):
3268         Use latter.
3269         (__glibcxx_check_string_constructor): New.
3270         (__gnu_debug::basic_string<>(const _CharT*, const _Alloc&)):
3271         Use latter.
3272         * testsuite/21_strings/basic_string/debug/1_neg.cc: New.
3273         * testsuite/21_strings/basic_string/debug/2_neg.cc: New.
3274
3275 2018-07-06  Jonathan Wakely  <jwakely@redhat.com>
3276
3277         PR libstdc++/84928 use std::move in <numeric> algorithms
3278         * include/bits/stl_numeric.h (_GLIBCXX_MOVE_IF_20): Define macro to
3279         conditionally move, according to __cplusplus value.
3280         (accumulate, inner_product, partial_sum, adjacent_difference): Use
3281         _GLIBCXX_MOVE_IF_20.
3282         * testsuite/26_numerics/accumulate/lwg2055.cc: New test.
3283         * testsuite/26_numerics/adjacent_difference/lwg2055.cc: New test.
3284         * testsuite/26_numerics/inner_product/lwg2055.cc: New test.
3285         * testsuite/26_numerics/partial_sum/lwg2055.cc: New test.
3286
3287         * config/abi/pre/gnu.ver: Use wildcards to combine related patterns.
3288
3289         P0935R0 Eradicating unnecessarily explicit default constructors
3290         * config/abi/pre/gnu.ver: Tighten existing patterns and export new
3291         default constructor symbols.
3292         * include/std/sstream (basic_stringbuf, basic_istringstream)
3293         (basic_ostringstream, basic_stringstream): Remove default arguments
3294         from explicit constructors taking ios_base::openmode and add separate
3295         non-explicit default constructors.
3296         * testsuite/27_io/basic_istringstream/cons/default.cc: New.
3297         * testsuite/27_io/basic_ostringstream/cons/default.cc: New.
3298         * testsuite/27_io/basic_stringstream/cons/default.cc: New.
3299         * testsuite/27_io/basic_stringbuf/cons/char/default.cc: New.
3300         * testsuite/27_io/basic_stringbuf/cons/wchar_t/default.cc: New.
3301
3302         * include/std/variant (__accepted_index): Use void_t.
3303
3304 2018-07-05  Jonathan Wakely  <jwakely@redhat.com>
3305
3306         PR libstdc++/85831
3307         * config/abi/pre/gnu.ver: Export move constructors and move
3308         assignment operators for std::logic_error and std::runtime_error.
3309         * include/std/stdexcept: Use _GLIBCXX_NOTHROW instead of
3310         _GLIBCXX_USE_NOEXCEPT.
3311         (logic_error, runtime_error): Declare move constructors and move
3312         assignment operators. When not declared already, define copy
3313         constructors and copy assignment operators as explicit-defaulted.
3314         (domain_error, invalid_argument, length_error, out_of_range)
3315         (overflow_error, underflow_error): Define move constructors and move
3316         assignment operators as explicitly-defaulted.
3317         * libsupc++/exception.h (exception): Likewise.
3318         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Define
3319         move constructors and move assignment operators as defaulted.
3320         * testsuite/19_diagnostics/stdexcept.cc: Check that constructors and
3321         assignment operators are defined.
3322
3323         * testsuite/21_strings/basic_string/cons/char/deduction.cc: XFAIL for
3324         COW strings.
3325         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
3326         Likewise.
3327         * testsuite/21_strings/basic_string/requirements/
3328         explicit_instantiation/debug.cc: Likewise.
3329
3330         PR libstdc++/58265
3331         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
3332         (basic_string::assign(basic_string&&)): Add conditional noexcept
3333         depending on the allocator's is_always_equal property (LWG 2063).
3334         * testsuite/21_strings/basic_string/modifiers/assign/char/
3335         move_assign.cc: Check for non-throwing exception specification.
3336         * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
3337         move_assign.cc: Likewise.
3338
3339         PR libstdc++/58265
3340         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
3341         [_GLIBCXX_FULLY_DYNAMIC_STRING==0] (basic_string::basic_string()):
3342         Add GLIBCXX_NOEXCEPT.
3343         (basic_string::operator=(basic_string&&)): Add _GLIBCXX_NOEXCEPT_IF
3344         to depend on the allocator's is_always_equal property (LWG 2063).
3345         (basic_string::swap(basic_string&)): Likewise.
3346         * include/bits/basic_string.tcc [!_GLIBCXX_USE_CXX11_ABI]
3347         (basic_string::swap(basic_string&)): Likewise.
3348         * testsuite/21_strings/basic_string/allocator/char/move_assign.cc:
3349         Check is_nothrow_move_assignable.
3350         * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc:
3351         Check is_nothrow_move_assignable.
3352         * testsuite/21_strings/basic_string/cons/char/
3353         noexcept_move_construct.cc: Likewise.
3354         * testsuite/21_strings/basic_string/cons/wchar_t/
3355         noexcept_move_construct.cc: Likewise.
3356
3357 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
3358
3359         P0646R1 Improving the Return Value of Erase-Like Algorithms I
3360         * include/bits/forward_list.h (__cpp_lib_list_remove_return_type):
3361         Define.
3362         (forward_list::__remove_return_type): Define typedef as size_type or
3363         void, according to __cplusplus value.
3364         (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
3365         empty, according to __cplusplus value.
3366         (forward_list::remove, forward_list::unique): Use typedef and macro
3367         to change return type and add abi-tag for C++2a.
3368         (forward_list::remove_if<Pred>, forward_list::unique<BinPred>): Use
3369         typedef to change return type for C++2a.
3370         * include/bits/forward_list.tcc (_GLIBCXX20_ONLY): Define macro.
3371         (forward_list::remove, forward_list::remove_if<Pred>)
3372         (forward_list::unique<BinPred>): Return number of removed elements
3373         for C++2a.
3374         * include/bits/list.tcc (_GLIBCXX20_ONLY): Define macro.
3375         (list::remove, list::unique, list::remove_if<Predicate>)
3376         (list::unique<BinaryPredicate>): Return number of removed elements
3377         for C++2a.
3378         * include/bits/stl_list.h (__cpp_lib_list_remove_return_type): Define.
3379         (list::__remove_return_type): Define typedef as size_type or
3380         void, according to __cplusplus value.
3381         (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
3382         empty, according to __cplusplus value.
3383         (list::remove, list::unique): Use typedef and macro to change return
3384         type and add abi-tag for C++2a.
3385         (list::remove_if<Predicate>, list::unique<BinaryPredicate>): Use
3386         typedef to change return type for C++2a.
3387         * include/std/version (__cpp_lib_list_remove_return_type): Define.
3388         * testsuite/23_containers/forward_list/operations/
3389         remove_cxx20_return.cc: New.
3390         * testsuite/23_containers/forward_list/operations/
3391         unique_cxx20_return.cc: New.
3392
3393         P0458R2 Checking for Existence of an Element in Associative Containers
3394         * include/bits/stl_map.h (map::contains): Add for C++2a.
3395         * include/bits/stl_multimap.h (multimap::contains): Likewise.
3396         * include/bits/stl_multiset.h (multiset::contains): Likewise.
3397         * include/bits/stl_set.h (set::contains): Likewise.
3398         * include/bits/stl_tree.h (__has_is_transparent_t): Define alias.
3399         (_Rb_tree::_M_find_tr, _Rb_tree::_M_count_tr)
3400         (_Rb_tree::_M_lower_bound_tr, _Rb_tree::_M_upper_bound_tr)
3401         (_Rb_tree::_M_equal_range_tr): Use __has_is_transparent_t.
3402         * include/bits/unordered_map.h (unordered_map::contains)
3403         (unordered_multimap::contains): Add for C++2a.
3404         * include/bits/unordered_set.h (unordered_set::contains)
3405         (unordered_multiset::contains): Likewise.
3406         * testsuite/23_containers/map/operations/contains.cc: New.
3407         * testsuite/23_containers/multimap/operations/contains.cc: New.
3408         * testsuite/23_containers/multiset/operations/contains.cc: New.
3409         * testsuite/23_containers/set/operations/contains.cc: New.
3410         * testsuite/23_containers/unordered_map/operations/contains.cc: New.
3411         * testsuite/23_containers/unordered_multimap/operations/contains.cc:
3412         New.
3413         * testsuite/23_containers/unordered_multiset/operations/contains.cc:
3414         New.
3415         * testsuite/23_containers/unordered_set/operations/contains.cc: New.
3416
3417 2018-07-04  François Dumont  <fdumont@gcc.gnu.org>
3418
3419         PR libstdc++/86272
3420         * include/debug/string
3421         (__gnu_debug::basic_string<>::insert<_Ite>(const_iterator, _Ite, _Ite)):
3422         Use __glibcxx_check_insert_range.
3423         * 21_strings/basic_string/cons/char/1.cc: Adapt test to use
3424         __gnu_debug::string when _GLIBCXX_DEBUG.
3425         * 21_strings/basic_string/init-list.cc: Likewise.
3426         * 21_strings/basic_string/modifiers/insert/char/1.cc: Likewise.
3427         * 21_strings/basic_string/modifiers/insert/char/2.cc: Likewise.
3428         * 21_strings/basic_string/modifiers/insert/char/83328.cc: Likewise.
3429         * 21_strings/basic_string/types/1.cc: Likewise.
3430
3431 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
3432
3433         * testsuite/25_algorithms/make_heap/complexity.cc: Require effective
3434         target for std::random_device.
3435         * testsuite/26_numerics/random/random_device/cons/default.cc:
3436         Likewise.
3437         * testsuite/experimental/algorithm/sample-2.cc: Likewise.
3438         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
3439         * testsuite/experimental/random/randint.cc: Likewise.
3440         * testsuite/lib/libstdc++.exp
3441         (check_effective_target_random_device): New proc.
3442
3443 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
3444             Jakub Jelinek  <jakub@redhat.com>
3445
3446         * include/std/bit (__rotl, __rotr): Fix for non-power of two sizes.
3447
3448 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
3449
3450         PR libstdc++/86398
3451         * include/std/type_traits (is_trivially_constructible): Check
3452         is_constructible before __is_trivially_constructible.
3453         * testsuite/20_util/is_trivially_constructible/value.cc: Add more
3454         tests, including negative cases.
3455         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Use
3456         zero for dg-error lineno.
3457         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
3458         Likewise.
3459
3460         * include/std/bit (__rotl, __rotr): Avoid branch.
3461         (_If_is_unsigned_integer): Use remove_cv_t.
3462         * testsuite/26_numerics/bit/bitops.count/popcount.cc: New.
3463
3464 2018-07-03  Jonathan Wakely  <jwakely@redhat.com>
3465
3466         P0556R3 Integral power-of-2 operations, P0553R2 Bit operations
3467         * include/Makefile.am: Add new header.
3468         * include/Makefile.in: Regenerate.
3469         * include/precompiled/stdc++.h: Include new header.
3470         * include/std/bit: New header.
3471         (__rotl, __rotr, __countl_zero, __countl_one, __countr_zero)
3472         (__countr_one, __popcount, __ispow2, __ceil2, __floor2, __log2p1):
3473         Define for C++14.
3474         [!__STRICT_ANSI__] (rotl, rotr, countl_zero, countl_one, countr_zero)
3475         (countr_one, popcount): Define for C++2a. Also overload for std::byte.
3476         (ispow2, ceil2, floor2, log2p1): Define for C++2a.
3477         [!__STRICT_ANSI__] (ispow2, ceil2, floor2, log2p1): Overload for
3478         std::byte.
3479         * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: New.
3480         * testsuite/26_numerics/bit/bit.pow.two/floor2.cc: New.
3481         * testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: New.
3482         * testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: New.
3483         * testsuite/26_numerics/bit/bitops.rot/rotl.cc: New.
3484         * testsuite/26_numerics/bit/bitops.rot/rotr.cc: New.
3485         * testsuite/26_numerics/bit/bitops.count/countl_one.cc: New.
3486         * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: New.
3487         * testsuite/26_numerics/bit/bitops.count/countr_one.cc: New.
3488         * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: New.
3489
3490         * include/bits/alloc_traits.h: Remove redundant preprocessor
3491         condition.
3492
3493 2018-07-03  François Dumont  <fdumont@gcc.gnu.org>
3494
3495         * include/bits/stl_algobase.h (__niter_wrap): New.
3496         (__copy_move_a2(_II, _II, _OI)): Use latter.
3497         (__copy_move_backward_a2(_BI1, _BI1, _BI2)): Likewise.
3498         (fill_n(_OI, _Size, const _Tp&)): Likewise.
3499         (equal(_II1, _II1, _II2)): Use __glibcxx_requires_can_increment.
3500         * include/debug/stl_iterator.h
3501         (std::__niter_base(const __gnu_cxx::_Safe_iterator<
3502         __gnu_cxx::__normal_iterator<>, _Sequence>&)): New declaration.
3503         * include/debug/vector (__niter_base(const __gnu_cxx::_Safe_iterator<
3504         __gnu_cxx::__normal_iterator<>, _Sequence>&)): New.
3505
3506 2018-07-02  Jonathan Wakely  <jwakely@redhat.com>
3507
3508         P0758R1 Implicit conversion traits
3509         * include/std/type_traits [__cplusplus > 201703]
3510         (__is_convertible_helper::__is_nothrow_type): Define new member.
3511         (__is_convertible_helper<_From, _To, false>::__test_aux1): Add
3512         noexcept.
3513         (__is_convertible_helper<_From, _To, false>::__test_nothrow)
3514         (__is_convertible_helper<_From, _To, false>::__is_nothrow_type): Add
3515         new members.
3516         (is_nothrow_convertible, is_nothrow_convertible_v): Define for C++2a.
3517         * testsuite/20_util/is_nothrow_convertible/value.cc: New.
3518         * testsuite/20_util/is_nothrow_convertible/requirements/
3519         explicit_instantiation.cc: New.
3520         * testsuite/20_util/is_nothrow_convertible/requirements/typedefs.cc:
3521         New.
3522
3523         P0887R1 The identity metafunction
3524         * include/std/type_traits (type_identity, type_identity_t): Define
3525         for C++2a.
3526         * testsuite/20_util/type_identity/requirements/alias_decl.cc: New.
3527         * testsuite/20_util/type_identity/requirements/
3528         explicit_instantiation.cc:New.
3529         * testsuite/20_util/type_identity/requirements/typedefs.cc: New.
3530
3531         * include/bits/regex.h (sub_match::operator string_type): Call str().
3532         (sub_match::compare): Use _M_str() instead of str().
3533         (sub_match::_M_compare): New public function.
3534         (sub_match::__string_view): New helper type.
3535         (sub_match::_M_str): New overloaded functions to avoid creating a
3536         string_type object when not needed.
3537         (operator==, operator!=, operator<, operator>, operator<=, operator>=):
3538         Use sub_match::_M_compare instead of creating string_type objects.
3539         Fix Doxygen comments.
3540         * include/bits/regex_compiler.h (__has_contiguous_iter): Remove.
3541         (__is_contiguous_normal_iter): Rename to __is_contiguous_iter and
3542         simplify.
3543         (__enable_if_contiguous_iter, __disable_if_contiguous_iter): Use
3544         __enable_if_t.
3545         * include/std/type_traits (__enable_if_t): Define for C++11.
3546         * testsuite/28_regex/sub_match/compare.cc: New.
3547         * testsuite/util/testsuite_iterators.h (remove_cv): Add transformation
3548         trait.
3549         (input_iterator_wrapper): Use remove_cv for value_type argument of
3550         std::iterator base class.
3551
3552 2018-06-29  Jonathan Wakely  <jwakely@redhat.com>
3553
3554         * testsuite/20_util/add_rvalue_reference/requirements/alias_decl.cc:
3555         Add whitespace to dejagnu directive.
3556         * testsuite/23_containers/array/element_access/at_neg.cc: Likewise.
3557
3558 2018-06-27  François Dumont  <fdumont@gcc.gnu.org>
3559
3560         * include/bits/stl_vector.h
3561         (struct _Vector_base<>::_Vector_impl_data): New.
3562         (struct _Vector_base<>::_Vector_impl): Inherit from latter.
3563         (_Vector_base<>::_Vector_impl::_M_swap_data): Move...
3564         (_Vector_base<>::_Vector_impl_data::_M_swap_data): ...here.
3565         (_Vector_base<>::_Vector_impl()): Add noexcept qualification.
3566         (_Vector_base<>::_Vector_impl(_Vector_impl&&)): New.
3567         (_Vector_base<>::_Vector_impl(_Tp_alloc_type&&, _Vector_impl&&)): New.
3568         (_Vector_base(const allocator_type&, _Vector_base&&)): New, use latter.
3569         (_Vector_base()): Default.
3570         (_Vector_base(_Vector_base&&)): Default.
3571         (_Vector_base(size_t)) [_GLIBCXX_INLINE_VERSION]: Delete.
3572         (_Vector_base(_Tp_alloc_type&&)) [_GLIBCXX_INLINE_VERSION]: Delete.
3573         (_Vector_base::_M_create_storage(size_t)): Make protected.
3574         (vector()): Default.
3575         (vector(vector&&)): Default.
3576         (vector(vector&&, const allocator_type&, true_type)): New.
3577         (vector(vector&&, const allocator_type&, false_type)): New.
3578         (vector(vector&&, const allocator_type&)): Use latters.
3579         (vector(_InputIte, _InputIte, const allocator_type&)): Call
3580         _M_range_initialize directly.
3581         * include/debug/vector
3582         (vector(vector&&, const allocator_type&)): Add noexcept qualification.
3583         * testsuite/23_containers/vector/allocator/default_init.cc: New.
3584         * testsuite/23_containers/vector/cons/noexcept_move_construct.cc: Add
3585         static assertions.
3586
3587 2018-06-27  Jonathan Wakely  <jwakely@redhat.com>
3588
3589         * include/bits/cpp_type_traits.h [__cplusplus >= 201703]
3590         (__is_byte<byte>): Define specialization for std::byte.
3591
3592         PR libstdc++/86138
3593         * include/bits/basic_string.tcc: [_GLIBCXX_EXTERN_TEMPLATE < 0]
3594         Declare explicit instantiations of COW empty reps and I/O functions.
3595
3596 2018-06-26  David Edelsohn  <dje.gcc@gmail.com>
3597
3598         * testsuite/experimental/algorithm/sample-2.cc: Add TLS DejaGNU
3599         directives.
3600         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
3601
3602 2018-06-26  Jonathan Wakely  <jwakely@redhat.com>
3603
3604         * include/bits/regex.tcc (regex_iterator::operator==): Add missing
3605         noexcept.
3606
3607 2018-06-25  Jonathan Wakely  <jwakely@redhat.com>
3608
3609         PR libstdc++/86112
3610         * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
3611         Replace dict comprehension.
3612
3613         PR libstdc++/81092
3614         * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
3615
3616         PR libstdc++/86292
3617         * include/bits/stl_vector.h (vector::_M_range_initialize<InputIter>):
3618         Add try-catch block.
3619         * testsuite/23_containers/vector/cons/86292.cc: New.
3620
3621         * doc/xml/manual/status_cxx2017.xml: Document N4531 status.
3622
3623         * include/experimental/algorithm (sample, shuffle): Add new overloads
3624         using per-thread random number engine.
3625         * testsuite/experimental/algorithm/sample.cc: Simpify and reduce
3626         dependencies by using __gnu_test::test_container.
3627         * testsuite/experimental/algorithm/sample-2.cc: New.
3628         * testsuite/experimental/algorithm/shuffle.cc: New.
3629
3630 2018-06-22  Jonathan Wakely  <jwakely@redhat.com>
3631
3632         * config/abi/pre/gnu.ver: Fix __cxx11::basic_string patterns for
3633         different size_t mangling on 32-bit targets.
3634
3635         PR libstdc++/86280
3636         * include/experimental/memory_resource
3637         (__resource_adaptor_common::_AlignMgr::_M_token_size): Use type large
3638         enough for result of left shift.
3639
3640         PR libstdc++/86138
3641         * include/bits/basic_string.tcc:
3642         [__cplusplus > 201402 && !_GLIBCXX_USE_CXX11_ABI]
3643         (basic_string<char>::_Rep::_S_empty_rep_storage)
3644         (basic_string<wchar_t>::_Rep::_S_empty_rep_storage): Add explicit
3645         instantiation declarations.
3646         [__cplusplus > 201402] (operator>>, operator<<, getline): Re-enable
3647         explicit instantiation declarations.
3648         * testsuite/21_strings/basic_string/cons/char/86138.cc: New.
3649         * testsuite/21_strings/basic_string/cons/wchar_t/86138.cc: New.
3650
3651 2018-06-21  Jonathan Wakely  <jwakely@redhat.com>
3652
3653         PR libstdc++/83328
3654         * acinclude.m4 (libtool_VERSION): Bump to 6:26:0.
3655         * config/abi/pre/gnu.ver: Add GLIBCXX_3.4.26 and export new symbol.
3656         * configure: Regenerate.
3657         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
3658         (basic_string::insert(const_iterator, initializer_list<C>)): Add.
3659         [_GLIBCXX_USE_CXX11_ABI && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
3660         (basic_string::insert(iterator, initializer_list<C>)): Suppress
3661         definition.
3662         * include/debug/string (basic_string::insert(iterator, C)): Change
3663         first parameter to const_iterator.
3664         (basic_string::insert(iterator, size_type, C)): Likewise. Change
3665         return type to iterator.
3666         (basic_string::insert(iterator, InputIterator, InputIterator)):
3667         Likewise.
3668         (basic_string::insert(iterator, initializer_list<C>)): Change first
3669         parameter to const_iterator and return type to iterator.
3670         * src/c++11/string-inst.cc: Extend comment.
3671         * testsuite/21_strings/basic_string/modifiers/insert/char/83328.cc:
3672         New.
3673         * testsuite/21_strings/basic_string/modifiers/insert/wchar_t/83328.cc:
3674         New.
3675         * testsuite/util/testsuite_abi.cc: Add new symbol version.
3676
3677         * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
3678
3679         PR libstdc++/70940
3680         * include/experimental/memory_resource
3681         (__resource_adaptor_imp::do_deallocate): Add missing return.
3682         * testsuite/experimental/memory_resource/new_delete_resource.cc: New.
3683         * testsuite/experimental/memory_resource/resource_adaptor.cc: Test
3684         resource_adaptor with std::allocator, __gnu_cxx::new_allocator and
3685         __gnu_cxx::malloc_allocator.
3686
3687         PR libstdc++/70940
3688         * include/experimental/memory_resource (__resource_adaptor_common):
3689         New base class.
3690         (__resource_adaptor_common::_AlignMgr): Helper for obtaining aligned
3691         pointer from unaligned, and vice versa.
3692         (__resource_adaptor_imp::do_allocate): Use _AlignMgr to adjust
3693         allocated pointer to meet alignment request.
3694         (__resource_adaptor_imp::do_deallocate): Use _AlignMgr to retrieve
3695         original pointer for deallocation.
3696         (__resource_adaptor_imp::do_is_equal): Reformat.
3697         (__resource_adaptor_imp::_S_aligned_size): Remove.
3698         (__resource_adaptor_imp::_S_supported): Remove.
3699         (new_delete_resource): Use __gnu_cxx::new_allocator.
3700         * testsuite/experimental/memory_resource/resource_adaptor.cc: Test
3701         extended alignments and use debug_allocator to check for matching
3702         allocate/deallocate pairs.
3703
3704 2018-06-21  François Dumont  <fdumont@gcc.gnu.org>
3705
3706         * include/debug/safe_iterator.h
3707         (_Safe_iterator<>(const _Safe_iterator<_MutableIterator,>& __x)):
3708         Compare __x base iterator with a value-initialized iterator of the
3709         same type.
3710
3711 2018-06-20  Jonathan Wakely  <jwakely@redhat.com>
3712
3713         PR libstdc++/70966
3714         * include/experimental/memory_resource (__resource_adaptor_imp): Add
3715         static assertions to enforce requirements on pointer types.
3716         (__resource_adaptor_imp::get_allocator()): Add noexcept.
3717         (new_delete_resource, null_memory_resource): Return address of an
3718         object with dynamic storage duration.
3719         (__null_memory_resource): Remove.
3720         * testsuite/experimental/memory_resource/70966.cc: New.
3721
3722         * testsuite/20_util/duration/arithmetic/dr3050.cc: Add new test
3723         missed from recent commit.
3724
3725 2018-06-19  Jonathan Wakely  <jwakely@redhat.com>
3726
3727         * include/std/utility: Remove unused <exception> header.
3728
3729 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
3730
3731         LWG 2975 ensure construct(pair<T,U>*, ...) used to construct pairs
3732         * include/std/scoped_allocator (__not_pair): Define SFINAE helper.
3733         (construct(_Tp*, _Args&&...)): Remove from overload set when _Tp is
3734         a specialization of std::pair.
3735         * testsuite/20_util/scoped_allocator/construct_pair.cc: Ensure
3736         pair elements are constructed correctly.
3737
3738         LWG 2989 hide path iostream operators from normal lookup
3739         * include/bits/fs_path.h (operator<<, operator>>): Define inline as
3740         friends.
3741         * testsuite/27_io/filesystem/path/io/dr2989.cc: New.
3742
3743         LWG 3050 Fix cv-qualification of convertibility constraints
3744         * include/std/chrono (duration, operator*, operator/, operator%): Use
3745         const-qualified type as source type in is_convertible constraints.
3746         * testsuite/20_util/duration/arithmetic/dr3050.cc: New.
3747         * testsuite/20_util/duration/cons/dr3050.cc: New.
3748         * testsuite/20_util/duration/literals/range.cc: Rename to...
3749         * testsuite/20_util/duration/literals/range_neg.cc: Here. Adjust
3750         dg-error lineno.
3751
3752 2018-06-18  Maya Rashish  <coypu@sdf.org>
3753
3754         * crossconfig.m4: Handle OpenBSD just like NetBSD.
3755         * configure: Rebuilt.
3756
3757 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
3758
3759         P0754R2 <version> header
3760         * include/Makefile.am: Add new header.
3761         * include/Makefile.in: Regenerate.
3762         * include/bits/c++config: Change doxygen comment to suggest <version>
3763         instead of <iosfwd>.
3764         * include/precompiled/stdc++.h: Include <cwchar> and <cwctype>
3765         unconditionally.  Add C++17 and C++20 headers.
3766         * include/std/version: New header.
3767         * testsuite/17_intro/headers/c++2017/all_attributes.cc: New.
3768         * testsuite/17_intro/headers/c++2017/all_no_exceptions.cc: New.
3769         * testsuite/17_intro/headers/c++2017/all_no_rtti.cc: New.
3770         * testsuite/17_intro/headers/c++2017/all_pedantic_errors.cc: New.
3771         * testsuite/17_intro/headers/c++2017/operator_names.cc: New.
3772         * testsuite/17_intro/headers/c++2017/stdc++.cc: New.
3773         * testsuite/17_intro/headers/c++2017/stdc++_multiple_inclusion.cc:
3774         New.
3775         * testsuite/17_intro/headers/c++2020/all_attributes.cc: New.
3776         * testsuite/17_intro/headers/c++2020/all_no_exceptions.cc: New.
3777         * testsuite/17_intro/headers/c++2020/all_no_rtti.cc: New.
3778         * testsuite/17_intro/headers/c++2020/all_pedantic_errors.cc: New.
3779         * testsuite/17_intro/headers/c++2020/operator_names.cc: New.
3780         * testsuite/17_intro/headers/c++2020/stdc++.cc: New.
3781         * testsuite/17_intro/headers/c++2020/stdc++_multiple_inclusion.cc:
3782         New.
3783         * testsuite/18_support/headers/version/macros.cc: New.
3784         * testsuite/18_support/headers/version/macros.cc: New.
3785
3786         * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Only check when
3787         enable_libstdcxx_filesystem_ts = yes. Check for link, readlink and
3788         symlink.
3789         * config.h.in: Regenerate.
3790         * configure: Regenerate.
3791         * configure.ac: Remove AC_CHECK_FUNCS for link, readlink and symlink.
3792
3793         LWG 3035. std::allocator's constructors should be constexpr
3794         * include/bits/allocator.h (allocator): Add constexpr to constructors
3795         for C++2a. Replace dynamic exception specifications with NOTHROW
3796         macro.
3797         (allocator, operator==, operator!=): Replace USE_NOEXCEPT macro with
3798         NOTHROW.
3799         * include/bits/c++config (_GLIBCXX20_CONSTEXPR): Define.
3800         * include/ext/malloc_allocator.h (malloc_allocator): Add constexpr
3801         to constructors for C++2a.
3802         * include/ext/new_allocator.h (new_allocator): Likewise.
3803
3804 2018-06-16  Jonathan Wakely  <jwakely@redhat.com>
3805
3806         LWG 3076 basic_string CTAD ambiguity
3807         * doc/xml/manual/intro.xml: Document LWG 3076 change.
3808         * include/bits/basic_string.h
3809         [__cpp_deduction_guides && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
3810         (basic_string(const _CharT*, const _Alloc&)): Turn into a function
3811         template constrained by _RequireAllocator.
3812         (basic_string(size_type, _CharT, const _Alloc&)): Likewise.
3813         * src/c++11/string-inst.cc (_GLIBCXX_DEFINING_STRING_INSTANTIATIONS):
3814         Define.
3815         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
3816         deduction
3817         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
3818         Likewise.
3819
3820 2018-06-15  Jonathan Wakely  <jwakely@redhat.com>
3821
3822         PR libstdc++/86169
3823         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
3824         (basic_string::data()): Unshare string.
3825         * testsuite/21_strings/basic_string/operations/data/char/86169.cc:
3826         New.
3827
3828         * include/std/string_view (basic_string_view(const CharT*)): Remove
3829         check for null pointer and add nonnull attribute.
3830         (compare(const CharT*), compare(size_type, size_type, const CharT*))
3831         (find(const CharT*, size_type), rfind(const CharT*, size_type))
3832         (find_first_of(const CharT*, size_type))
3833         (find_last_of(const CharT*, size_type))
3834         (find_first_not_of(const CharT*, size_type))
3835         (find_last_not_of(const CharT*, size_type)): Add nonnull attribute.
3836         * testsuite/21_strings/basic_string_view/cons/char/nonnull.cc: New.
3837         * testsuite/21_strings/basic_string_view/operations/compare/char/
3838         nonnull.cc: New.
3839         * testsuite/21_strings/basic_string_view/operations/find/char/
3840         nonnull.cc: New.
3841         * testsuite/21_strings/basic_string_view/operations/rfind/char/
3842         nonnull.cc: New.
3843
3844         PR libstdc++/86168
3845         * include/bits/random.h (random_device(const string&)): Remove
3846         default argument.
3847
3848         * include/bits/char_traits.h (__cpp_lib_constexpr_char_traits): Only
3849         define for C++17 and above.
3850
3851         LWG 2993 reference_wrapper<T> conversion from T&&
3852         * doc/xml/manual/intro.xml: Document LWG 2993 change.
3853         * include/bits/refwrap.h (reference_wrapper(_Tp&)): Remove.
3854         (reference_wrapper(_Tp&&)): Remove.
3855         (reference_wrapper<_Up>(_Up&&)): Define new constructor as constrained
3856         template.
3857         (reference_wrapper): Add deduction guide.
3858         * testsuite/20_util/reference_wrapper/deduction.cc: New.
3859         * testsuite/20_util/reference_wrapper/lwg2993.cc: New.
3860
3861         LWG 3039 Unnecessary decay in thread and packaged_task
3862         * include/std/future (__constrain_pkgdtask): Replace with ...
3863         (packaged_task::__not_same): New alias template, using
3864         __remove_cvref_t instead of decay.
3865         * include/std/thread (thread::__not_same): Add comment.
3866
3867 2018-06-14  Jonathan Wakely  <jwakely@redhat.com>
3868
3869         LWG 3075 basic_string needs deduction guides from basic_string_view
3870         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
3871         deduction from string views.
3872         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
3873         Likewise.
3874
3875         LWG 3074 make scalar types non-deduced in valarray non-member functions
3876         * include/bits/valarray_after.h (_DEFINE_EXPR_BINARY_FUNCTION): Change
3877         scalar parameters to be a non-deduced context.
3878         * include/std/valarray (_DEFINE_BINARY_OPERATOR): Likewise. Adjust
3879         whitespace.
3880         * testsuite/26_numerics/valarray/operators.cc: Test scalar operands.
3881         * testsuite/26_numerics/valarray/transcend.cc: New.
3882
3883         * include/std/tuple (__cpp_lib_tuple_element_t, tuple_element_t):
3884         Move back to <utility>.
3885         * include/std/utility (__cpp_lib_tuple_element_t. tuple_element_t):
3886         Restore to here.
3887
3888         P0935R0 Eradicating unnecessarily explicit default constructors
3889         * include/backward/strstream (strstreambuf): Add non-explicit default
3890         constructor.
3891         * include/bits/locale_conv.h (wbuffer_convert, wstring_convert):
3892         Likewise.
3893         * include/bits/regex.h (match_results): Likewise.
3894         * testsuite/22_locale/conversions/buffer/1.cc: Test for non-explicit
3895         default constructor.
3896         * testsuite/22_locale/conversions/string/1.cc: Likewise.
3897         * testsuite/28_regex/match_results/ctors/char/default.cc: Likewise.
3898         * testsuite/28_regex/match_results/ctors/wchar_t/default.cc: Likewise.
3899
3900         * include/std/tuple (__cpp_lib_tuple_element_t): Move feature test
3901         macro from <utility> and change type to long.
3902         * include/std/utility (__cpp_lib_tuple_element_t): Remove.
3903         * testsuite/20_util/tuple/tuple_element_t.cc: Check for feature test
3904         macro.
3905
3906         P0935R0 Eradicating unnecessarily explicit default constructors
3907         * include/bits/random.h (uniform_real_distribution::param_type)
3908         (normal_distribution::param_type, lognormal_distribution::param_type)
3909         (gamma_distribution::param_type, chi_squared_distribution::param_type)
3910         (cauchy_distribution::param_type, fisher_f_distribution::param_type)
3911         (student_t_distribution::param_type)
3912         (bernoulli_distribution::param_type)
3913         (binomial_distribution::param_type)
3914         (geometric_distribution::param_type)
3915         (negative_binomial_distribution::param_type)
3916         (poisson_distribution::param_type)
3917         (exponential_distribution::param_type)
3918         (weibull_distribution::param_type)
3919         (extreme_value_distribution::param_type): Add non-explicit default
3920         constructors. Remove default argument for first parameter of explicit
3921         constructors.
3922         * include/bits/uniform_int_dist.h
3923         (uniform_int_distribution::param_type): Likewise.
3924         * include/ext/random
3925         (beta_distribution::param_type, rice_distribution::param_type)
3926         (nakagami_distribution::param_type, pareto_distribution::param_type)
3927         (k_distribution::param_type, arcsine_distribution::param_type)
3928         (hoyt_distribution::param_type, triangular_distribution::param_type)
3929         (von_mises_distribution::param_type)
3930         (hypergeometric_distribution::param_type)
3931         (logistic_distribution::param_type)
3932         (uniform_inside_sphere_distribution::param_type): Likewise.
3933         (uniform_on_sphere_distribution::param_type): Make default constructor
3934         non-explicit.
3935         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
3936         Test param_type for non-explicit default constructor.
3937         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
3938         Likewise.
3939         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
3940         Likewise.
3941         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
3942         Likewise.
3943         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
3944         Likewise.
3945         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
3946         Likewise.
3947         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
3948         Likewise.
3949         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
3950         Likewise.
3951         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
3952         Likewise.
3953         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
3954         Likewise.
3955         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
3956         Likewise.
3957         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
3958         Likewise.
3959         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
3960         Likewise.
3961         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
3962         Likewise.
3963         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
3964         Likewise.
3965         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
3966         Likewise.
3967         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
3968         Likewise.
3969         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
3970         Likewise.
3971         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
3972         Likewise.
3973         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
3974         Likewise.
3975         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
3976         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
3977         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
3978         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
3979         Likewise.
3980         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
3981         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
3982         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
3983         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
3984         Likewise.
3985         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
3986         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
3987         * testsuite/ext/random/triangular_distribution/cons/default.cc:
3988         Likewise.
3989         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
3990         Likewise.
3991         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
3992         Likewise.
3993         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
3994         Likewise.
3995
3996 2018-06-14  Daniel Trebbien <dtrebbien@gmail.com>
3997             Jonathan Wakely  <jwakely@redhat.com>
3998
3999         PR libstdc++/83982
4000         * include/bits/vector.tcc (vector::_M_default_append(size_type)):
4001         Default-construct new elements before moving existing ones.
4002         * testsuite/23_containers/vector/capacity/resize/strong_guarantee.cc:
4003         New.
4004
4005 2018-06-13  Jonathan Wakely  <jwakely@redhat.com>
4006
4007         PR libstdc++/86127
4008         * include/bits/forward_list.h (_Fwd_list_base::_Tp_alloc_type): Remove
4009         unused typedef.
4010         (_Fwd_list_base::_M_create_node, _Fwd_list_base::_M_erase_after):
4011         Use node allocator to create and destroy elements.
4012         (forward_list::_Tp_alloc_type): Remove unused typedef.
4013         (forward_list::_Alloc_traits): Use allocator_traits instead of
4014         __gnu_cxx::__alloc_traits.
4015
4016 2018-06-13  François Dumont  <fdumont@gcc.gnu.org>
4017
4018         * include/debug/helper_functions.h
4019         (__gnu_debug::_Safe_iterator<>): Add declaration.
4020         (__can_advance(_Ite, _Size)): New.
4021         (__can_advance(const _Safe_iterator<>&, _Size)): Overload declaration.
4022         * include/debug/functions.h
4023         (__gnu_debug::_Safe_iterator<>): Remove declaration.
4024         * include/debug/stl_iterator.h
4025         (__can_advance(const _Safe_iterator<>&)): New definition.
4026         * include/debug/stl_iterator.h
4027         (__can_advance(const std::reverse_iterator<>&, _Size)): New.
4028         (__can_advance(const std::move_iterator<>&, _Size)): New.
4029         * include/debug/macros.h (__glibcxx_check_can_increment): New.
4030         * include/debug/debug.h (__glibcxx_requires_can_increment): New.
4031         * include/bits/stl_algobase.h (fill_n): Use latter.
4032         * testsuite/25_algorithms/fill_n/2.cc: New.
4033         * testsuite/25_algorithms/fill_n/debug/1_neg.cc: New.
4034         * testsuite/25_algorithms/fill_n/debug/2_neg.cc: New.
4035         * testsuite/25_algorithms/fill_n/debug/3_neg.cc: New.
4036         * testsuite/25_algorithms/fill_n/debug/4_neg.cc: New.
4037
4038         * include/debug/debug.h (__glibcxx_requires_can_increment_range): New.
4039         (__glibcxx_requires_can_decrement_range): New.
4040
4041 2018-06-12  François Dumont  <fdumont@gcc.gnu.org>
4042
4043         * include/debug/macros.h (__glibcxx_check_can_increment_range): New.
4044         (__glibcxx_check_can_decrement_range): New.
4045         * include/bits/stl_algobase.h (std::copy(_II, _II, _OI)): Use
4046         __glibcxx_requires_can_increment_range.
4047         (std::move(_II, _II, _OI)): Likewise.
4048         (std::copy_backward(_BI, _BI, _BI2)): Use
4049         __glibcxx_requires_can_decrement_range.
4050         (std::move_backward(_BI, _BI, _BI2)): Likewise.
4051         * testsuite/25_algorithms/copy_backward/debug/1_neg.cc: New.
4052         * testsuite/25_algorithms/copy_backward/debug/2_neg.cc: New.
4053         * testsuite/25_algorithms/copy_backward/debug/3_neg.cc: New.
4054         * testsuite/25_algorithms/equal/debug/1_neg.cc: New.
4055         * testsuite/25_algorithms/equal/debug/2_neg.cc: New.
4056         * testsuite/25_algorithms/equal/debug/3_neg.cc: New.
4057
4058 2018-06-12  Jonathan Wakely  <jwakely@redhat.com>
4059
4060         P0935R0 Eradicating unnecessarily explicit default constructors
4061         * include/bits/random.h (linear_congruential_engine)
4062         (mersenne_twister_engine, subtract_with_carry_engine, random_device)
4063         (uniform_real_distribution, normal_distribution)
4064         (lognormal_distribution, gamma_distribution, chi_squared_distribution)
4065         (cauchy_distribution, fisher_f_distribution, student_t_distribution)
4066         (bernoulli_distribution, binomial_distribution,geometric_distribution)
4067         (negative_binomial_distribution, exponential_distribution)
4068         (weibull_distribution, extreme_value_distribution): Add non-explicit
4069         default constructors. Remove default argument for first parameter of
4070         explicit constructors.
4071         (piecewise_constant_distribution, piecewise_linear_distribution):
4072         Make default constructor non-explicit.
4073         * include/bits/uniform_int_dist.h (uniform_int_distribution): Add
4074         non-explicit default constructors. Remove default argument for first
4075         parameter of explicit constructor.
4076         * include/ext/random
4077         (simd_fast_mersenne_twister_engine, beta_distribution)
4078         (rice_distribution, nakagami_distribution, pareto_distribution)
4079         (k_distribution, arcsine_distribution, hoyt_distribution)
4080         (triangular_distribution, von_mises_distribution)
4081         (hypergeometric_distribution, logistic_distribution)
4082         (uniform_inside_sphere_distribution): Likewise.
4083         (uniform_on_sphere_distribution): Make default constructor
4084         non-explicit.
4085         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
4086         Test for non-explicit default constructor. Fix references to standard.
4087         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
4088         Likewise.
4089         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
4090         Likewise.
4091         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
4092         Likewise.
4093         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
4094         Likewise.
4095         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
4096         Likewise.
4097         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
4098         Likewise.
4099         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
4100         Likewise.
4101         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
4102         Likewise.
4103         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
4104         Likewise.
4105         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
4106         Likewise.
4107         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
4108         Likewise.
4109         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
4110         Likewise.
4111         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
4112         Likewise.
4113         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
4114         Likewise.
4115         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
4116         Likewise.
4117         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
4118         Likewise.
4119         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
4120         Likewise.
4121         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
4122         Likewise.
4123         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
4124         Likewise.
4125         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
4126         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
4127         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
4128         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
4129         Likewise.
4130         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
4131         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
4132         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
4133         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
4134         Likewise.
4135         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
4136         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
4137         * testsuite/ext/random/triangular_distribution/cons/default.cc:
4138         Likewise.
4139         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
4140         Likewise.
4141         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
4142         Likewise.
4143         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
4144         Likewise.
4145         * testsuite/util/testsuite_common_types.h
4146         (implicitly_default_constructible): New helper.
4147
4148 2018-06-08  Jonathan Wakely  <jwakely@redhat.com>
4149
4150         * include/bits/ios_base.h (ios::Init::Init(const Init&))
4151         (ios::Init::operator=): Define as defaulted.
4152         * include/bits/stl_bvector.h (_Bit_reference(const _Bit_reference&)):
4153         Likewise.
4154         * include/bits/stream_iterator.h (istream_iterator::operator=)
4155         (ostream_iterator::operator=): Likewise.
4156         * include/bits/streambuf_iterator.h (istreambuf_iterator::operator=)
4157         Likewise.
4158         * include/std/bitset (bitset::reference::reference(const reference&)):
4159         Likewise.
4160         * include/std/complex (complex<float>::complex(const complex&))
4161         (complex<double>::complex(const complex&))
4162         (complex<long double>::complex(const complex&)): Likewise.
4163
4164 2018-06-07  Jonathan Wakely  <jwakely@redhat.com>
4165
4166         * include/bits/regex.h (sub_match): Add noexcept to default
4167         constructor and length observer.
4168         (match_results): Add noexcept to default constructor and observers
4169         with no preconditions. Define destructor as defaulted.
4170         (operator==, operator!=, swap): Add noexcept.
4171         (regex_iterator): Add default member initializers and define default
4172         constructor and destructor as defaulted. Add noexcept to equality
4173         and dereference operators.
4174
4175 2018-06-07  François Dumont  <fdumont@gcc.gnu.org>
4176
4177         * src/c++11/debug.cc
4178         (_Safe_iterator_base::_M_detach()): Reset state only if needed.
4179         (_Safe_iterator_base::_M_detach_single()): Likewise.
4180         (_Safe_local_iterator_base::_M_detach()): Reset state only if needed.
4181         (_Safe_local_iterator_base::_M_detach_single()): Likewise.
4182
4183 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
4184
4185         * include/bits/shared_ptr_base.h (__shared_count): Remove redundant
4186         move of const value.
4187
4188 2018-06-06  Jakub Jelinek  <jakub@redhat.com>
4189
4190         PR c++/86068
4191         * include/bits/c++config: Check __cpp_transactional_memory >= 201500L
4192         rather than __cpp_transactional_memory >= 201505L.
4193
4194 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
4195
4196         PR libstdc++/86008
4197         * include/bits/quoted_string.h (_Quoted_string<basic_string_view, C>):
4198         Define new partial specialization.
4199         * include/std/iomanip (quoted(basic_string_view<C,T>, C, C)): Define
4200         new overload.
4201         (operator<<(basic_ostream<C,T>&, const _Quoted_string<S,C>&)): Use
4202         value not reference for iteration.
4203         * testsuite/27_io/manipulators/standard/char/quoted.cc: Adjust
4204         comment.
4205         * testsuite/27_io/manipulators/standard/char/quoted_sv.cc: New test.
4206         * testsuite/27_io/manipulators/standard/wchar_t/quoted.cc: Adjust
4207         comment.
4208
4209 2018-06-05  Jonathan Wakely  <jwakely@redhat.com>
4210
4211         * include/std/type_traits: Fix comment typos.
4212
4213         * testsuite/27_io/filesystem/operations/read_symlink.cc: XFAIL for
4214         mingw* targets.
4215         * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
4216         * testsuite/experimental/filesystem/operations/read_symlink.cc:
4217         Likewise.
4218
4219 2018-06-05  François Dumont  <fdumont@gcc.gnu.org>
4220
4221         * include/bits/stl_tempbuf.h
4222         (_Temporary_buffer(_FwdIte, _FwdIte)): Delete, replaced by...
4223         (_Temporary_buffer(_FwdIte, size_type)): ...this, new.
4224         * include/ext/memory (temporary_buffer<>(_FwdIte, _FwdIte)): Adapt.
4225         * include/bits/stl_algo.h (__stable_partition): Adapt.
4226         (__inplace_merge): Adapt.
4227         (__stable_sort): Adapt.
4228
4229 2018-06-04  Jonathan Wakely  <jwakely@redhat.com>
4230
4231         PR libstdc++/85930
4232         * include/bits/shared_ptr_base.h [!__cpp_rtti]: Include <typeinfo>
4233         unconditionally. Remove redundant declaration.
4234         [!__cpp_rtti] (_Sp_make_shared_tag::_S_ti): Fix location of
4235         alignment-specifier.
4236
4237         * include/bits/postypes.h (fpos): Define special members as defaulted.
4238
4239         PR libstdc++/85930
4240         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Align
4241         the static variable correctly.
4242
4243 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
4244
4245         PR libstdc++/78870 support std::filesystem on Windows
4246         * config.h.in: Regenerate.
4247         * configure: Regenerate.
4248         * configure.ac: Check for link, readlink and symlink.
4249         * include/bits/fs_path.h (path::operator/=(const path&)): Move
4250         definition out of class body.
4251         (path::is_absolute(), path::_M_append(path)): Likewise.
4252         (operator<<(basic_ostream, const path&)): Use std::quoted directly.
4253         (operator>>(basic_istream, path&)): Likewise.
4254         (u8path): Reorder definitions and fix Windows implementation.
4255         (path::is_absolute()): Define inline and fix for Windows.
4256         [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
4257         Define POSIX version inline.
4258         (path::_M_append(path)): Define inline.
4259         * include/experimental/bits/fs_path.h (path::is_absolute()): Move
4260         definition out of class body.
4261         (operator<<(basic_ostream, const path&)): Fix type of delimiter and
4262         escape characters.
4263         (operator>>(basic_istream, path&)): Likewise.
4264         (path::is_absolute()): Define inline and fix for Windows.
4265         * src/filesystem/dir-common.h (__gnu_posix): New namespace.
4266         (__gnu_posix::char_type, __gnu_posix::DIR, __gnu_posix::dirent)
4267         (__gnu_posix::opendir, __gnu_posix::readdir, __gnu_posix::closedir):
4268         Define as adaptors for Windows functions/types or as
4269         using-declarations for POSIX functions/types.
4270         (_Dir_base, get_file_type): Qualify names to use declarations from
4271         __gnu_posix namespace.
4272         (_Dir_base::is_dor_or_dotdot): New helper functions.
4273         * src/filesystem/dir.cc (_Dir, recursive_directory_iterator): Qualify
4274         names to use declarations from __gnu_posix namespace.
4275         * src/filesystem/ops-common.h (__gnu_posix): New nested namespace.
4276         (__gnu_posix::open, __gnu_posix::close, __gnu_posix::stat_type)
4277         (__gnu_posix::stat, __gnu_posix::lstat, __gnu_posix::mode_t)
4278         (__gnu_posix::chmod, __gnu_posix::mkdir, __gnu_posix::getcwd)
4279         (__gnu_posix::chdir, __gnu_posix::utimbuf, __gnu_posix::utime)
4280         (__gnu_posix::rename, __gnu_posix::truncate, __gnu_posix::char_type):
4281         Define as adaptors for Windows functions/types or as
4282         using-declarations for POSIX functions/types.
4283         (stat_type, do_copy_file): Qualify names to use declarations from
4284         __gnu_posix namespace.
4285         (do_space): Declare new function.
4286         (make_file_type): Only use S_ISLNK if defined.
4287         * src/filesystem/ops.cc (char_ptr, filesystem::canonical): Use
4288         path::value_type not char.
4289         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
4290         names to use declarations from __gnu_posix namespace.
4291         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
4292         add implementation for Windows.
4293         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
4294         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
4295         [!_PC_PATH_MAX]: Don't use pathconf.
4296         [PATH_MAX]: Use if defined.
4297         (filesystem::current_path(const path&, error_code&))
4298         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
4299         (filesystem::last_write_time, filesystem::permissions): Use names
4300         from __gnu_posix.
4301         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
4302         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
4303         implementation for Windows.
4304         (filesystem::rename, filesystem::resize_file): Use names from
4305         __gnu_posix.
4306         (filesystem::space): Use do_space.
4307         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Get absolute path to directory.
4308         (filesystem::status, filesystem::symlink_status): Use names from
4309         __gnu_posix.
4310         (filesystem::temp_directory_path): Add implementation for Windows.
4311         * src/filesystem/path.cc (dot): Define constant.
4312         (path::replace_extension): Use dot.
4313         (path::_M_find_extension): Likewise. Use path::string_type not
4314         std::string.
4315         (path::_M_split_cmpts): Use dot.
4316         (filesystem_error::_M_get_what): Use u8string() not native().
4317         * src/filesystem/std-dir.cc (_Dir, recursive_directory_iterator):
4318         Qualify names to use declarations from __gnu_posix namespace.
4319         * src/filesystem/std-ops.cc (filesystem::absolute(const path&)): Use
4320         correct error_code.
4321         (filesystem::absolute(const path&, error_code&)): Add implementation
4322         for Windows.
4323         (char_ptr, filesystem::canonical): Use path::value_type not char.
4324         (do_copy_file): Use names from __gnu_posix.
4325         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Do not use fchmod, fchmodat or
4326         sendfile.
4327         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
4328         names to use declarations from __gnu_posix namespace.
4329         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
4330         add implementation for Windows.
4331         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
4332         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
4333         [!_PC_PATH_MAX]: Don't use pathconf.
4334         [PATH_MAX]: Use if defined.
4335         (filesystem::current_path(const path&, error_code&))
4336         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
4337         (filesystem::last_write_time, filesystem::permissions): Use names
4338         from __gnu_posix.
4339         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
4340         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
4341         implementation for Windows.
4342         (filesystem::rename, filesystem::resize_file): Use names from
4343         __gnu_posix.
4344         (do_space): Define.
4345         (filesystem::space): Use do_space.
4346         (filesystem::status, filesystem::symlink_status): Use names from
4347         __gnu_posix.
4348         (filesystem::temp_directory_path): Add implementation for Windows.
4349         * src/filesystem/std-path.cc
4350         [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
4351         Define for Windows.
4352         (dot): Define constant.
4353         (path::replace_extension, is_dot): Use dot.
4354         (path::lexically_normal): Check _M_type instead of calling
4355         non-existent function.
4356         (path::_M_find_extension): Use dot. Use path::string_type not
4357         std::string.
4358         (path::_M_split_cmpts): Use dot.
4359         (filesystem_error::_M_get_what): Use u8string() not native().
4360         * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Do not
4361         use symlinks.
4362         * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
4363         Likewise.
4364         * testsuite/27_io/filesystem/operations/absolute.cc: Use
4365         __gnu_test::root_path() instead of "/" and add Windows-specific tests.
4366         * testsuite/27_io/filesystem/operations/canonical.cc: Use
4367         path::string() to get narrow string, not path::native().
4368         * testsuite/27_io/filesystem/operations/copy.cc: Construct fstreams
4369         with std::filesystem::path not std::basic_string.
4370         * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
4371         * testsuite/27_io/filesystem/operations/exists.cc: Use
4372         __gnu_test::root_path() instead of "/".
4373         * testsuite/27_io/filesystem/operations/is_empty.cc: Construct
4374         fstreams with std::filesystem::path not std::basic_string.
4375         * testsuite/27_io/filesystem/operations/last_write_time.cc: Use
4376         path::string() to get narrow string.
4377         * testsuite/27_io/filesystem/operations/space.cc: Check results for
4378         errors, expect sensible values otherwise.
4379         * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Add
4380         helpers for adjusting the environment on Windows.
4381         * testsuite/27_io/filesystem/path/append/path.cc: Test
4382         Windows-specific behaviour.
4383         * testsuite/27_io/filesystem/path/construct/format.cc: Fix creation
4384         of path::string_type objects.
4385         * testsuite/27_io/filesystem/path/construct/locale.cc: Compare native
4386         string to wide string on Windows.
4387         * testsuite/27_io/filesystem/path/decompose/root_directory.cc: Allow
4388         for backslash as root-directory.
4389         * testsuite/27_io/filesystem/path/decompose/stem.cc: Use
4390         path::string() to get narrow string.
4391         * testsuite/27_io/filesystem/path/itr/traversal.cc: Test Windows-style
4392         paths.
4393         * testsuite/27_io/filesystem/path/native/string.cc: Use string_type
4394         not std::string.
4395         * testsuite/27_io/filesystem/path/query/is_absolute.cc: Adjust for
4396         different definintion of absolute paths on Windows.
4397         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
4398         Do not use symlinks.
4399         * testsuite/experimental/filesystem/operations/absolute.cc: Test
4400         Windows behaviour.
4401         * testsuite/experimental/filesystem/operations/copy.cc: Construct
4402         fstreams with NTCTS not std::basic_string.
4403         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
4404         * testsuite/experimental/filesystem/operations/exists.cc: Use
4405         __gnu_test::root_path() instead of "/".
4406         * testsuite/experimental/filesystem/operations/is_empty.cc: Construct
4407         fstreams with NTCTS not std::basic_string.
4408         * testsuite/experimental/filesystem/operations/last_write_time.cc:
4409         Use path::string() to get narrow string.
4410         * testsuite/experimental/filesystem/operations/space.cc: Use
4411         __gnu_test::root_path() instead of "/".
4412         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
4413         Add helpers for adjusting the environment on Windows.
4414         * testsuite/experimental/filesystem/path/append/path.cc: Use
4415         path::string() to get narrow strings for comparisons.
4416         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
4417         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
4418         Likewise.
4419         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
4420         * testsuite/experimental/filesystem/path/native/string.cc: Use
4421         string_type not std::string.
4422         * testsuite/experimental/filesystem/path/query/is_absolute.cc:
4423         Adjust for different definintion of absolute paths on Windows.
4424         * testsuite/util/testsuite_fs.h (__gnu_test::root_path()): New
4425         function.
4426         (__gnu_test::scoped_file): Construct fstreams with NTCTS not
4427         std::basic_string.
4428
4429 2018-05-31  Jonathan Wakely  <jwakely@redhat.com>
4430
4431         PR libstdc++/85951
4432         * include/std/type_traits [_GLIBCXX_USE_C99_STDINT_TR1]: Do not define
4433         uint_least16_t and uint_least32_t.
4434         (__make_unsigned<wchar_t>): Define unconditionally.
4435         (__make_unsigned_selector<_Tp, true, false>): Remove intermediate
4436         typedefs.
4437         (__make_unsigned_selector_base): New type to provide helper templates.
4438         (__make_unsigned_selector<_Tp, false, true>): Reimplement using
4439         __make_unsigned_selector_base helpers.
4440         (__make_unsigned<char16_t>, __make_unsigned<char32_t>): Define.
4441         (__make_signed_selector<_Tp, true, false>): Remove intermediate
4442         typedefs.
4443         (__make_signed<wchar_t>, __make_signed<char16_t>)
4444         (__make_signed<char32_t>)): Define unconditionally.
4445         * testsuite/20_util/make_signed/requirements/typedefs-3.cc: Check
4446         wchar_t, char16_t and char32_t are transformed correctly.
4447         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Adjust
4448         dg-error lineno.
4449         * testsuite/20_util/make_unsigned/requirements/typedefs-3.cc: Check
4450         wchar_t, char16_t and char32_t are transformed correctly.
4451         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc: Adjust
4452         dg-error lineno.
4453
4454 2018-05-29  Jonathan Wakely  <jwakely@redhat.com>
4455
4456         * include/std/variant (__erased_dtor): Qualify call to __get.
4457
4458 2018-05-27  François Dumont  <fdumont@gcc.gnu.org>
4459
4460         * include/bits/stl_tree.h (_Rb_tree_impl(_Node_allocator&&)): New.
4461         (_Rb_tree(const allocator_type&)): Use latter.
4462         * include/bits/stl_map.h (map(const allocator_type&)): Likewise.
4463         (map(initializer_list<value_type>, const allocator_type&)): Likewise.
4464         (map(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
4465         * include/bits/stl_multimap.h
4466         (multimap(const allocator_type&)): Likewise.
4467         (multimap(initializer_list<value_type>, const allocator_type&)):
4468         Likewise.
4469         (multimap(_InputIterator, _InputIterator, const allocator_type&)):
4470         Likewise.
4471         * include/bits/stl_set.h (set(const allocator_type&)): Likewise.
4472         (set(initializer_list<value_type>, const allocator_type&)): Likewise.
4473         (set(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
4474         * include/bits/stl_multiset.h
4475         (multiset(const allocator_type&)): Likewise.
4476         (multiset(initializer_list<value_type>, const allocator_type&)):
4477         Likewise.
4478         (multiset(_InputIterator, _InputIterator, const allocator_type&)):
4479         Likewise.
4480
4481 2018-05-25  François Dumont  <fdumont@gcc.gnu.org>
4482
4483         PR libstdc++/85768
4484         * src/c++11/debug.cc: Remove backtrace usage.
4485
4486 2018-05-24  Maya Rashish  <coypu@sdf.org>
4487
4488         PR target/85904
4489         * crossconfig.m4: Test for aligned_alloc on netbsd.
4490         * configure: Regenerate.
4491
4492 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
4493
4494         PR libstdc++/69769
4495         PR libstdc++/85886
4496         * include/bits/atomic_base.h (__atomic_base::value_type)
4497         (__atomic_base::difference_type): Add new typedefs.
4498         * include/std/atomic (atomic<bool>::value_type, atomic<T>::value_type)
4499         (atomic<T*>::value_type, atomic<T*>::difference_type): Likewise.
4500         (atomic<T*>::operator++, atomic<T*>::operator--)
4501         (atomic<T*>::operator+=, atomic<T*>::operator-=)
4502         (atomic<T*>::fetch_add, atomic<T*>::fetch_sub): Add static assertion
4503         to enforce C++17 requirement on pointer arithmetic.
4504         (__atomic_val_t, __atomic_diff_t): New alias templates.
4505         (atomic_init, atomic_store_explicit, atomic_exchange_explicit)
4506         (atomic_compare_exchange_weak_explicit)
4507         (atomic_compare_exchange_strong_explicit, atomic_store)
4508         (atomic_exchange, atomic_compare_exchange_weak)
4509         (atomic_compare_exchange_strong): Use __atomic_val_t to make
4510         scalar parameters be non-deduced contexts.
4511         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
4512         (atomic_fetch_add, atomic_fetch_sub): Change first parameter to be
4513         atomic instead of __atomic_base, and use __atomic_diff_t for scalar
4514         parameters.
4515         (atomic_fetch_and_explicit, atomic_fetch_or_explicit)
4516         (atomic_fetch_xor_explicit, atomic_fetch_and, atomic_fetch_or)
4517         (atomic_fetch_xor): Use __atomic_val_t for scalar parameters.
4518         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
4519         (atomic_fetch_add, atomic_fetch_sub): Remove overloads for atomic
4520         address types.
4521         * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error lineno.
4522         * testsuite/29_atomics/atomic/69769.cc: New test.
4523         * testsuite/29_atomics/atomic/nonmembers.cc: New test.
4524         * testsuite/29_atomics/atomic/operators/pointer_partial_void.cc:
4525         Disable test for C++17 and later.
4526         * testsuite/29_atomics/atomic/requirements/typedefs.cc: New test.
4527         * testsuite/29_atomics/atomic_integral/nonmembers.cc: New test.
4528         * testsuite/29_atomics/atomic_integral/requirements/typedefs.cc: New
4529         test.
4530
4531 2018-05-23  Jonathan Wakely  <jwakely@redhat.com>
4532
4533         * include/bits/fs_path.h (path::__is_encoded_char): Change from class
4534         template to alias template.
4535         (path::__value_type_is_char): Use remove_const_t.
4536         (path:_S_string_from_iter): New helper function.
4537         (path::_S_convert(InputIter, __null_terminated))
4538         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
4539         Use _S_string_from_iter.
4540         (path::string<_CharT, _Allocator>(const _Allocator&)): Allow sharing
4541         rep for COW strings.
4542         * include/experimental/bits/fs_path.h (path::__is_encoded_char):
4543         Change from class template to alias template.
4544         (path::__value_type_is_char): Use remove_const.
4545         (path:_S_string_from_iter): New helper function.
4546         (path::_S_convert(InputIter, __null_terminated))
4547         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
4548         Use _S_string_from_iter.
4549         * testsuite/27_io/filesystem/path/append/source.cc: Test appending
4550         wide strings.
4551         * testsuite/27_io/filesystem/path/concat/strings.cc: Check for exact
4552         string equality, not path equivalence.
4553         * testsuite/27_io/filesystem/path/construct/format.cc: Check
4554         construction from std::string and std::wstring and input iterators.
4555         * testsuite/27_io/filesystem/path/construct/locale.cc: Check
4556         construction from iterators.
4557         * testsuite/experimental/filesystem/path/concat/strings.cc: Check for
4558         exact string equality, not path equivalence.
4559         * testsuite/experimental/filesystem/path/construct/locale.cc: Check
4560         construction from iterators.
4561
4562         * include/bits/fs_path.h (path::_M_type): Change default member
4563         initializer to _Filename.
4564         (path::begin): Create past-the-end iterator for empty path.
4565         * src/filesystem/std-path.cc (path::remove_filename()): Remove
4566         debugging check.
4567         (path::has_relative_path()): Return false for empty filenames.
4568         (path::_M_split_cmpts): Set _M_type to _Filename for empty paths.
4569         Fix offset of empty final component.
4570         * testsuite/27_io/filesystem/path/itr/components.cc: New.
4571         * testsuite/27_io/filesystem/path/itr/traversal.cc: Add new inputs.
4572
4573 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
4574
4575         Add support for opening file streams from wide character strings.
4576         * config/io/basic_file_stdio.cc [_GLIBCXX_HAVE__WFOPEN]
4577         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
4578         Define new overload.
4579         * config/io/basic_file_stdio.h [_GLIBCXX_HAVE__WFOPEN]
4580         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
4581         Declare new overload.
4582         * configure.ac: Check for _wfopen.
4583         * crossconfig.m4: Likewise.
4584         * configure: Regenerate.
4585         * config.h.in: Regenerate.
4586         * include/bits/fstream.tcc [_GLIBCXX_HAVE__WFOPEN]
4587         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
4588         Define new overload.
4589         * include/std/fstream [_GLIBCXX_HAVE__WFOPEN]
4590         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
4591         Declare new overload.
4592         [_GLIBCXX_HAVE__WFOPEN]
4593         (basic_ifstream<C,T>::basic_ifstream(const wchar_t*, openmode))
4594         (basic_ifstream<C,T>::basic_open(const wchar_t*, openmode))
4595         (basic_ofstream<C,T>::basic_ifstream(const wchar_t*, openmode))
4596         (basic_ofstream<C,T>::basic_open(const wchar_t*, openmode))
4597         (basic_fstream<C,T>::basic_ifstream(const wchar_t*, openmode))
4598         (basic_fstream<C,T>::basic_open(const wchar_t*, openmode)): Define
4599         new overloads.
4600         * testsuite/27_io/basic_filebuf/open/wchar_t/1.cc: New.
4601         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: New.
4602         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: New.
4603         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: New.
4604         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: New.
4605         * testsuite/27_io/basic_fstream/cons/wchar_t/1.cc: New.
4606         * testsuite/27_io/basic_fstream/open/wchar_t/1.cc: New.
4607
4608 2018-05-21  François Dumont  <fdumont@gcc.gnu.org>
4609
4610         PR libstdc++/85845
4611         * include/bits/stl_tree.h
4612         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): Fix noexcept
4613         qualification.
4614
4615 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
4616
4617         * src/filesystem/std-ops.cc (absolute): Report an error for empty
4618         paths.
4619         (weakly_canonical(const path&)): Do not call canonical on empty path.
4620         (weakly_canonical(const path&, error_code&)): Likewise.
4621         * testsuite/27_io/filesystem/operations/absolute.cc: Check for errors.
4622
4623         PR libstdc++/85818
4624         * testsuite/experimental/filesystem/path/preferred_separator.cc: Add
4625         dg-require-filesystem-ts.
4626
4627         PR libstdc++/85843
4628         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Explicitly
4629         initialize base class to avoid warnings.
4630
4631 2018-05-19  Jonathan Wakely  <jwakely@redhat.com>
4632
4633         * src/c++11/codecvt.cc (__codecvt_utf8_base<wchar_t>::do_in)
4634         [__SIZEOF_WCHAR_T__==2 && __BYTE_ORDER__!=__ORDER_BIG_ENDIAN__]: Set
4635         little_endian element in bitmask.
4636         * testsuite/22_locale/codecvt/codecvt_utf8/69703.cc: Run all tests.
4637         * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: New.
4638
4639 2018-05-18  François Dumont  <fdumont@gcc.gnu.org>
4640
4641         * include/bits/stl_tree.h
4642         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): New.
4643         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, true_type)): New, use latter.
4644         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, false_type)): New.
4645         (_Rb_tree(_Rb_tree&&, _Node_allocator&&)): Adapt, use latters.
4646         * include/debug/map.h
4647         (map(map&&, const_allocator_type&)): Add noexcept qualitication.
4648         * include/debug/multimap.h
4649         (multimap(multimap&&, const_allocator_type&)): Likewise.
4650         * include/debug/set.h
4651         (set(set&&, const_allocator_type&)): Likewise.
4652         * include/debug/multiset.h
4653         (multiset(multiset&&, const_allocator_type&)): Likewise.
4654         * testsuite/23_containers/map/cons/noexcept_default_construct.cc:
4655         Add checks.
4656         * testsuite/23_containers/map/cons/noexcept_move_construct.cc:
4657         Add checks.
4658         * testsuite/23_containers/multimap/cons/noexcept_default_construct.cc:
4659         Add checks.
4660         * testsuite/23_containers/multimap/cons/noexcept_move_construct.cc:
4661         Add checks.
4662         * testsuite/23_containers/multiset/cons/noexcept_default_construct.cc:
4663         Add checks.
4664         * testsuite/23_containers/multiset/cons/noexcept_move_construct.cc:
4665         Add checks.
4666         * testsuite/23_containers/set/cons/noexcept_default_construct.cc:
4667         Add checks.
4668         * testsuite/23_containers/set/cons/noexcept_move_construct.cc:
4669         Add checks.
4670
4671 2018-05-18  Jason Merrill  <jason@redhat.com>
4672
4673         * include/bits/stl_deque.h (_Deque_iterator): Constrain constructor
4674         for conversion to const_iterator.  Add defaulted copy ops.
4675         * libsupc++/new (bad_alloc): Add defaulted copy ops.
4676         * libsupc++/exception.h (exception): Add defaulted copy ops.
4677         * include/std/system_error (system_error): Add defaulted copy ops.
4678         * include/std/stdexcept (domain_error, invalid_argument)
4679         (length_error, out_of_range, range_error, overflow_error)
4680         (underflow_error): Add defaulted copy ops.
4681         * include/bits/stl_iterator.h (reverse_iterator): Add defaulted
4682         copy assignment.
4683         * include/bits/allocator.h (allocator): Add defaulted copy assignment.
4684         * include/ext/throw_allocator.h (condition_base): Add defaulted
4685         default and copy ctor and copy assignment.
4686
4687 2018-05-18  Jonathan Wakely  <jwakely@redhat.com>
4688
4689         PR libstdc++/85098
4690         * include/bits/regex.h [__cplusplus < 201703L] (basic_regex::icase)
4691         (basic_regex::nosubs, basic_regex::optimize, basic_regex::collate)
4692         (basic_regex::ECMAScript, basic_regex::basic, basic_regex::extended)
4693         (basic_regex::awk, basic_regex::grep, basic_regex::egrep): Add
4694         definitions.
4695         * include/bits/regex_automaton.h (_NFA::_M_insert_state): Adjust
4696         whitespace.
4697         * include/bits/regex_compiler.tcc (__INSERT_REGEX_MATCHER): Add
4698         braces around body of do-while.
4699         * testsuite/28_regex/basic_regex/85098.cc: New
4700
4701 2018-05-17  Jonathan Wakely  <jwakely@redhat.com>
4702
4703         PR libstdc++/85818
4704         * src/filesystem/path.cc (path::preferred_separator): Add used
4705         attribute.
4706         * testsuite/experimental/filesystem/path/preferred_separator.cc: New.
4707
4708         PR libstdc++/85812
4709         * libsupc++/cxxabi_init_exception.h (__cxa_free_exception): Declare.
4710         * libsupc++/exception_ptr.h (make_exception_ptr) [__cpp_exceptions]:
4711         Refactor to separate non-throwing and throwing implementations.
4712         [__cpp_rtti && !_GLIBCXX_HAVE_CDTOR_CALLABI]: Deallocate the memory
4713         if constructing the object throws.
4714
4715 2018-05-15  Jonathan Wakely  <jwakely@redhat.com>
4716
4717         PR libstdc++/85749
4718         * include/bits/random.h (__detail::__is_seed_seq): New SFINAE helper.
4719         (linear_congruential_engine, mersenne_twister_engine)
4720         (subtract_with_carry_engine, discard_block_engine)
4721         (independent_bits_engine, shuffle_order_engine): Use __is_seed_seq to
4722         constrain function templates taking seed sequences.
4723         * include/bits/random.tcc (linear_congruential_engine::seed(_Sseq&))
4724         (mersenne_twister_engine::seed(_Sseq&))
4725         (subtract_with_carry_engine::seed(_Sseq&)): Change return types to
4726         match declarations.
4727         * include/ext/random (simd_fast_mersenne_twister_engine): Use
4728         __is_seed_seq to constrain function templates taking seed sequences.
4729         * include/ext/random.tcc (simd_fast_mersenne_twister_engine::seed):
4730         Change return type to match declaration.
4731         * testsuite/26_numerics/random/discard_block_engine/cons/seed_seq2.cc:
4732         New.
4733         * testsuite/26_numerics/random/independent_bits_engine/cons/
4734         seed_seq2.cc: New.
4735         * testsuite/26_numerics/random/linear_congruential_engine/cons/
4736         seed_seq2.cc: New.
4737         * testsuite/26_numerics/random/mersenne_twister_engine/cons/
4738         seed_seq2.cc: New.
4739         * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error lineno.
4740         * testsuite/26_numerics/random/shuffle_order_engine/cons/seed_seq2.cc:
4741         New.
4742         * testsuite/26_numerics/random/subtract_with_carry_engine/cons/
4743         seed_seq2.cc: New.
4744         * testsuite/ext/random/simd_fast_mersenne_twister_engine/cons/
4745         seed_seq2.cc: New.
4746
4747         PR libstdc++/83891
4748         * include/bits/fs_path.h (path::is_absolute()): Use same definition
4749         for all operating systems.
4750         * include/experimental/bits/fs_path.h (path::is_absolute()): Likewise.
4751         * testsuite/27_io/filesystem/path/query/is_absolute.cc: New.
4752         * testsuite/27_io/filesystem/path/query/is_relative.cc: Fix comment.
4753         * testsuite/experimental/filesystem/path/query/is_absolute.cc: New.
4754
4755         * testsuite/27_io/filesystem/path/decompose/extension.cc: Remove
4756         unused <vector> header.
4757         * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
4758         * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
4759         * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
4760         * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
4761         * testsuite/27_io/filesystem/path/query/has_relative_path.cc:
4762         Likewise.
4763         * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
4764         Likewise.
4765         * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
4766         * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
4767         * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
4768         * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
4769         * testsuite/experimental/filesystem/path/decompose/extension.cc:
4770         Likewise.
4771         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
4772         * testsuite/experimental/filesystem/path/query/has_extension.cc:
4773         Likewise.
4774         * testsuite/experimental/filesystem/path/query/has_filename.cc:
4775         Likewise.
4776         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
4777         Likewise.
4778         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
4779         Likewise.
4780         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
4781         Likewise.
4782         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
4783         Likewise.
4784         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
4785         Likewise.
4786         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
4787         * testsuite/experimental/filesystem/path/query/is_relative.cc:
4788         Likewise.
4789
4790         PR libstdc++/84159
4791         * include/bits/fs_path.h (path::operator/=, path::append): Construct
4792         temporary path before calling _M_append.
4793         (path::_M_append): Change parameter to path and implement C++17
4794         semantics.
4795         * testsuite/27_io/filesystem/path/append/path.cc: Add helper function
4796         and more examples from the standard.
4797         * testsuite/27_io/filesystem/path/append/source.cc: New.
4798         * testsuite/27_io/filesystem/path/decompose/filename.cc: Add comment.
4799         * testsuite/27_io/filesystem/path/nonmember/append.cc: New.
4800
4801         * include/std/variant (__gen_vtable_impl::__visit_invoke): Qualify
4802         __invoke to prevent ADL.
4803
4804 2018-05-14  Jonathan Wakely  <jwakely@redhat.com>
4805
4806         PR libstdc++/81256
4807         * include/bits/fstream.tcc (basic_filebuf::close): Do not swallow
4808         exceptions from _M_terminate_output().
4809         * include/std/fstream (basic_filebuf::~basic_filebuf): Swallow any
4810         exceptions from close().
4811         * testsuite/27_io/basic_filebuf/close/81256.cc: New.
4812
4813         * include/bits/valarray_array.h (__valarray_get_memory): Remove.
4814         (__valarray_get_storage): Call operator new directly. Remove ignored
4815         top-level restrict qualifier and add malloc attribute instead.
4816         (_Array<_Tp>::_Array(size_t)): Remove unused constructor.
4817
4818         PR libstdc++/67554
4819         * include/bits/valarray_array.h (_Array_copy_ctor<_Tp, true>)
4820         (_Array_copier<_Tp, true>): Do not pass null pointers to memcpy.
4821
4822         PR libstdc++/82966
4823         * include/bits/node_handle.h (_Node_handle_common::_M_swap): Use value
4824         instead of type.
4825         * testsuite/23_containers/set/modifiers/node_swap.cc: New.
4826
4827 2018-05-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
4828
4829         PR libstdc++/80165
4830         * testsuite/20_util/variant/80165.cc: New.
4831
4832 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
4833
4834         * doc/xml/faq.xml: Link to C++17 status. Add note to outdated answer.
4835         * doc/xml/manual/debug_mode.xml: Add array and forward_list to list
4836         of C++11 containers with Debug Mode support.
4837         * doc/xml/manual/using.xml: Document Dual ABI for ios_base::failure.
4838         * doc/html/*: Regenerate.
4839
4840 2018-05-10  Jason Merrill  <jason@redhat.com>
4841
4842         * include/bits/regex_compiler.h (_S_cache_size): Change from
4843         function to variable.
4844
4845 2018-05-10  Edward Smith-Rowland  <3dw4rd@verizon.net>
4846
4847         PR libstdc++/83140 - assoc_legendre returns negated value when m is odd
4848         * include/tr1/legendre_function.tcc (__assoc_legendre_p): Add __phase
4849         argument defaulted to +1.  Doxy comments on same.
4850         * testsuite/special_functions/02_assoc_legendre/
4851         check_value.cc: Regen.
4852         * testsuite/tr1/5_numerical_facilities/special_functions/
4853         02_assoc_legendre/check_value.cc: Regen.
4854
4855 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
4856
4857         PR libstdc++/85729
4858         * include/bits/c++config.h (__replacement_assert): Add linkage
4859         specification.
4860         * include/bits/std_abs.h: Add comment to closing brace of block.
4861         * include/c_global/cstddef: Add linkage specification.
4862         * include/c_global/cstring: Likewise.
4863         * include/c_global/cwchar: Likewise.
4864
4865 2018-05-09  François Dumont  <fdumont@gcc.gnu.org>
4866
4867         * include/debug/safe_iterator.h (_Safe_iterator<>::_M_constant()):
4868         Rename in...
4869         (_Safe_iterator<>::_S_constant()): ...that.
4870         * include/debug/safe_local_iterator.h
4871         (_Safe_local_iterator<>::_M_constant()): Rename in...
4872         (_Safe_local_iterator<>::_S_constant()): ...that.
4873         * include/debug/formatter.h: Remove bits/cpp_type_traits.h include.
4874         (_Iterator_state::__rbegin): New.
4875         (_Iterator_state::__rmiddle): New.
4876         (_Iterator_state::__rend): New.
4877         (_Parameter::_Parameter(const _Safe_iterator<>&, const char*,
4878         _Is_iterator)): Use _Safe_iterator<>::_S_constant. Grab normal underlying
4879         iterator type.
4880         (_Parameter::_Parameter(const _Safe_local_iterator<>&, const char*,
4881         _Is_iterator)): Likewise.
4882         (_Parameter::_S_reverse_state(_Iterator_state)): New.
4883         (_Parameter(__gnu_cxx::__normal_iterator<> const&, const char*,
4884         _Is_iterator)): New.
4885         (_Parameter(std::reverse_iterator<> const&, const char*,
4886         _Is_iterator)): New.
4887         (_Parameter(std::reverse_iterator<_Safe_iterator<>> const&,
4888         const char*, _Is_iterator)): New.
4889         (_Parameter(std::move_iterator<> const&, const char*, _Is_iterator):
4890         New.
4891         (_Parameter(std::move_iterator<_Safe_iterator<>> const&, const char*,
4892         _Is_iterator)): New.
4893         * testsuite/24_iterators/move_iterator/debug_neg.cc: New.
4894         * testsuite/24_iterators/normal_iterator/debug_neg.cc: New.
4895         * testsuite/24_iterators/reverse_iterator/debug_neg.cc: New.
4896
4897 2018-05-09  Jonathan Wakely  <jwakely@redhat.com>
4898
4899         * include/bits/std_function.h (_Base_manager::_M_get_pointer):
4900         Use constexpr if in C++17 mode.
4901         (_Base_manager::_M_clone(_Any_data&, const _Any_data&, true_type)):
4902         Copy from const object.
4903         * testsuite/20_util/function/cons/non_copyconstructible.cc: New.
4904
4905 2018-05-08  François Dumont  <fdumont@gcc.gnu.org>
4906
4907         * src/c++11/debug.cc [_GLIBCXX_HAVE_EXECINFO_H]: Include execinfo.h.
4908         [_GLIBCXX_HAVE_EXECINFO_H](_Error_formatter::_M_error): Render
4909         backtrace.
4910
4911         * include/debug/macros.h (__glibcxx_check_valid_range_at): New.
4912         * include/debug/functions.h (__check_valid_range): Use latter.
4913         * include/debug/macros.h (__glibcxx_check_valid_constructor_range): New,
4914         use latter.
4915         * include/debug/deque
4916         (deque::deque<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
4917         * include/debug/forward_list
4918         (forward_list::forward_list<_Iter>(_Iter, _Iter, const _Alloc&)):
4919         Likewise.
4920         * include/debug/list
4921         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
4922         * include/debug/list
4923         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
4924         * include/debug/map.h
4925         (map::map<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
4926         (map::map<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
4927         Likewise.
4928         * include/debug/multimap.h
4929         (multimap::multimap<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
4930         (multimap::multimap<_Iter>(_Iter, _Iter, const _Compare&,
4931         const _Alloc&)): Likewise.
4932         * include/debug/set.h
4933         (set::set<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
4934         (set::set<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
4935         Likewise.
4936         * include/debug/multiset.h
4937         (multiset::multiset<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
4938         (multiset::multiset<_Iter>(_Iter, _Iter, const _Compare&,
4939         const _Alloc&)): Likewise.
4940         * include/debug/string
4941         (basic_string::basic_string<_Iter>(_Iter, _Iter, const _Alloc&)):
4942         Likewise.
4943         * include/debug/unordered_map
4944         (unordered_map::unordered_map<_Iter>(_Iter, _Iter, const _Alloc&)):
4945         Likewise.
4946         (unordered_multimap::unordered_multimap<_Iter>(_Iter, _Iter,
4947         const _Alloc&)): Likewise.
4948         * include/debug/unordered_set
4949         (unordered_set::unordered_set<_Iter>(_Iter, _Iter, const _Alloc&)):
4950         Likewise.
4951         (unordered_multiset::unordered_multiset<_Iter>(_Iter, _Iter,
4952         const _Alloc&)): Likewise.
4953         * include/debug/vector
4954         (vector::vector<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
4955
4956         * include/debug/formatter.h (_Error_formatter::_M_function): New.
4957         (_Error_formatter(const char*, unsigned int)): Adapt.
4958         (_Error_formatter::_M_at): Rename in...
4959         (_Error_formatter::_S_at): ...that and adapt.
4960         * include/debug/macros.h (_GLIBCXX_DEBUG_VERIFY_AT_F): New.
4961         (_GLIBCXX_DEBUG_VERIFY_AT, _GLIBCXX_DEBUG_VERIFY): Adapt.
4962         * src/c++11/debug.cc (_Error_formatter::_M_error): Render _M_function
4963         when available.
4964
4965 2018-05-08  Jonathan Wakely  <jwakely@redhat.com>
4966
4967         * include/bits/regex_automaton.h (_NFA_base::_M_paren_stack, _NFA):
4968         Use normal std::vector even in Debug Mode.
4969
4970         PR libstdc++/85672
4971         * include/Makefile.am [!ENABLE_FLOAT128]: Change c++config.h entry
4972         to #undef _GLIBCXX_USE_FLOAT128 instead of defining it to zero.
4973         * include/Makefile.in: Regenerate.
4974         * include/bits/c++config (_GLIBCXX_USE_FLOAT128): Move definition
4975         within conditional block.
4976
4977 2018-05-07  Jonathan Wakely  <jwakely@redhat.com>
4978
4979         * doc/xml/manual/using.xml (table.cmd_options): Document that the
4980         C++17 Filesystem implementation also needs -lstdc++fs.
4981
4982         PR libstdc++/85671
4983         * include/bits/fs_path.h (operator/): Permit copy elision.
4984         * include/experimental/bits/fs_path.h (operator/): Likewise.
4985
4986 2018-05-07  Edward Smith-Rowland  <3dw4rd@verizon.net>
4987
4988         Moar PR libstdc++/80506
4989         * include/bits/random.tcc (gamma_distribution::__generate_impl()):
4990         Fix magic number used in loop condition.
4991
4992 2018-05-04  Jonathan Wakely  <jwakely@redhat.com>
4993
4994         PR libstdc++/85642 fix is_nothrow_default_constructible<optional<T>>
4995         * include/std/optional (_Optional_payload): Add noexcept to default
4996         constructor. Re-indent.
4997         (_Optional_payload<_Tp, true, true, true>): Likewise. Add noexcept to
4998         constructor for copying disengaged payloads.
4999         (_Optional_payload<_Tp, true, false, true>): Likewise.
5000         (_Optional_payload<_Tp, true, true, false>): Likewise.
5001         (_Optional_payload<_Tp, true, false, false>): Likewise.
5002         * testsuite/20_util/optional/cons/85642.cc: New.
5003         * testsuite/20_util/optional/cons/value_neg.cc: Adjust dg-error lines.
5004
5005 2018-05-03  Jonathan Wakely  <jwakely@redhat.com>
5006
5007         PR libstdc++/82644
5008         * include/tr1/cmath [__STRICT_ANSI__] (hypergf, hypergl, hyperg): Use
5009         inline definitions instead of using-declarations.
5010         [__STRICT_ANSI__] (conf_hypergf, conf_hypergl, conf_hyperg): Likewise.
5011         * testsuite/tr1/5_numerical_facilities/special_functions/
5012         07_conf_hyperg/compile_cxx17.cc: New.
5013         * testsuite/tr1/5_numerical_facilities/special_functions/
5014         17_hyperg/compile_cxx17.cc: New.
5015
5016         PR libstdc++/84769
5017         * include/std/variant (visit): Qualify std::get call.
5018
5019         PR libstdc++/85632 use uintmax_t for arithmetic
5020         * src/filesystem/ops.cc (experimental::filesystem::space): Perform
5021         arithmetic in result type.
5022         * src/filesystem/std-ops.cc (filesystem::space): Likewise.
5023         * testsuite/27_io/filesystem/operations/space.cc: Check total capacity
5024         is greater than free space.
5025         * testsuite/experimental/filesystem/operations/space.cc: New.
5026
5027         * testsuite/20_util/remove_cvref/requirements/alias_decl.cc: New.
5028         * testsuite/20_util/remove_cvref/requirements/explicit_instantiation.cc:
5029         New.
5030         * testsuite/20_util/remove_cvref/value.cc: New.
5031         * testsuite/20_util/remove_cvref/value_ext.cc: New.
5032
5033         PR libstdc++/84087 LWG DR 2268 basic_string default arguments
5034         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI=1]
5035         (append(const basic_string&, size_type, size_type)
5036         (assign(const basic_string&, size_type, size_type)
5037         (insert(size_type, const basic_string&, size_type, size_type)
5038         (replace(size_type,size_type,const basic_string&,size_type,size_type)
5039         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
5040         Add default arguments (LWG 2268).
5041         [_GLIBCXX_USE_CXX11_ABI=0]
5042         (append(const basic_string&, size_type, size_type)
5043         (assign(const basic_string&, size_type, size_type)
5044         (insert(size_type, const basic_string&, size_type, size_type)
5045         (replace(size_type,size_type,const basic_string&,size_type,size_type)
5046         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
5047         Likewise.
5048         * testsuite/21_strings/basic_string/dr2268.cc: New test.
5049
5050         PR libstdc++/84535
5051         * include/std/thread (thread::__not_same): New SFINAE helper.
5052         (thread::thread(_Callable&&, _Args&&...)): Add SFINAE constraint that
5053         first argument is not a std::thread. Add static assertion to check
5054         INVOKE expression is valid.
5055         (thread::thread(thread&), thread::thread(const thread&&)): Remove.
5056         (thread::_Invoke::_M_invoke, thread::_Invoke::operator()): Use
5057         __invoke_result for return types and remove exception specifications.
5058         * testsuite/30_threads/thread/cons/84535.cc: New.
5059
5060         * include/std/future (__async_result_of): Use __invoke_result instead
5061         of result_of.
5062
5063         * include/std/any (any_cast): Use __remove_cvref_t.
5064         * include/std/tuple (__make_tuple): Likewise.
5065         * include/std/type_traits (__remove_cvref_t): Define.
5066         (__result_of_memobj, __result_of_memfun): Use __remove_cvref_t.
5067         [__cplusplus > 201703L] (remove_cvref, remove_cvref_t): Define.
5068         * include/std/variant (__erased_hash): Use __remove_cvref_t.
5069
5070 2018-05-02  François Dumont  <fdumont@gcc.gnu.org>
5071
5072         * include/bits/deque.tcc (deque<>::_M_assign_aux): Cast to void to
5073         ensure overloaded comma not used.
5074         * include/bits/list.tcc (list<>::_M_assign_dispatch): Likewise.
5075         * include/bits/vector.tcc (vector<>::_M_assign_aux): Likewise.
5076         * include/bits/stl_bvector.h (vector<bool>::_M_assign_aux): Likewise.
5077         * testsuite/23_containers/deque/modifiers/assign/1.cc: New.
5078         * testsuite/23_containers/list/modifiers/assign/1.cc: New.
5079         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: New.
5080         * testsuite/23_containers/vector/modifiers/assign/1.cc: New.
5081
5082 2018-05-02  Jonathan Wakely  <jwakely@redhat.com>
5083
5084         PR libstdc++/68197
5085         * include/bits/ios_base.h (ios_base::iword, ios_base::pword): Cast
5086         indices to unsigned.
5087         * src/c++11/ios.cc (ios_base::_M_grow_words): Treat negative indices
5088         as failure. Refactor error handling.
5089         * testsuite/27_io/ios_base/storage/68197.cc: New.
5090
5091         PR libstdc++/57997
5092         PR libstdc++/83860
5093         * include/bits/gslice_array.h (gslice_array): Define default
5094         constructor as deleted, as per C++11 standard.
5095         * include/bits/mask_array.h (mask_array): Likewise.
5096         * include/bits/slice_array.h (slice_array): Likewise.
5097         * include/bits/valarray_after.h (_GBase, _GClos, _IBase, _IClos): Move
5098         to namespace __detail.
5099         (_GBase::_M_expr, _IBase::_M_expr): Use _ValArrayRef for type of data
5100         members.
5101         * include/bits/valarray_before.h (_ValArrayRef): New helper for type
5102         of data members in closure objects.
5103         (_FunBase, _ValFunClos, _RefFunClos, _UnBase, _UnClos, _BinBase)
5104         (_BinBase2, _BinBase1, _BinClos, _SBase, _SClos): Move to namespace
5105         __detail.
5106         (_FunBase::_M_expr, _UnBase::_M_expr, _BinBase::_M_expr1)
5107         (_BinBase::_M_expr2, _BinBase2::_M_expr1, _BinBase1::_M_expr2)
5108         (_SBase::_M_expr): Use _ValArrayRef for type of data members.
5109         * include/std/valarray (_UnClos, _BinClos, _SClos, _GClos, _IClos)
5110         (_ValFunClos, _RefFunClos): Move to namespace __detail and add
5111         using-declarations to namespace std.
5112         * testsuite/26_numerics/valarray/83860.cc: New.
5113
5114         * testsuite/backward/strstream_move.cc: Remove duplicate function
5115         call.
5116
5117         PR libstdc++/69608
5118         * include/backward/strstream (strstreambuf): Define move constructor
5119         and move assignment operator.
5120         (istrstream, ostrstream, strstream): Likewise.
5121         * testsuite/backward/strstream_move.cc: New.
5122
5123 2018-05-01  Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>
5124
5125         PR libstdc++/84654
5126         * acinclude.m4: Set ENABLE_FLOAT128 instead of _GLIBCXX_USE_FLOAT128.
5127         * config.h.in: Remove references to _GLIBCXX_USE_FLOAT128.
5128         * configure: Regenerate.
5129         * include/Makefile.am: Replace the value of _GLIBCXX_USE_FLOAT128
5130         based on ENABLE_FLOAT128.
5131         * include/Makefile.in: Regenerate.
5132         * include/bits/c++config: Define _GLIBCXX_USE_FLOAT128.
5133         [!defined(__FLOAT128__) && !defined(__SIZEOF_FLOAT128__)]: Undefine
5134         _GLIBCXX_USE_FLOAT128.
5135
5136 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
5137
5138         * configure: Regenerated.
5139
5140 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
5141
5142         * configure: Regenerated.
5143
5144 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
5145             Jakub Jelinek  <jakub@redhat.com>
5146
5147         PR libstdc++/85442
5148         * src/c++11/Makefile.am: Don't generate debuginfo again for
5149         cxx11-ios_failure-lt.s and cxx11-ios_failure.s files.
5150         * src/c++11/Makefile.in: Regenerate.
5151
5152 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
5153
5154         PR libstdc++/84442
5155         * testsuite/30_threads/thread/cons/terminate.cc
5156         [!_GLIBCXX_USE_C99_STDLIB] : Use _exit or std::exit instead of _Exit.
5157
5158 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
5159
5160         PR jit/85384
5161         * configure: Regenerate.
5162
5163 2018-04-16  Jonathan Wakely  <jwakely@redhat.com>
5164
5165         * testsuite/experimental/filesystem/file_status/1.cc: Add
5166         -DUSE_FILESYSTEM_TS to dg-options.
5167         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
5168         Likewise.
5169         * testsuite/experimental/filesystem/iterators/pop.cc: Likewise.
5170         * testsuite/experimental/filesystem/iterators/
5171         recursive_directory_iterator.cc: Likewise.
5172         * testsuite/experimental/filesystem/operations/absolute.cc: Likewise.
5173         * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
5174         * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
5175         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
5176         * testsuite/experimental/filesystem/operations/create_directories.cc:
5177         Likewise.
5178         * testsuite/experimental/filesystem/operations/create_directory.cc:
5179         Likewise.
5180         * testsuite/experimental/filesystem/operations/create_symlink.cc:
5181         Likewise.
5182         * testsuite/experimental/filesystem/operations/current_path.cc:
5183         Likewise.
5184         * testsuite/experimental/filesystem/operations/equivalent.cc: Likewise.
5185         * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
5186         * testsuite/experimental/filesystem/operations/file_size.cc: Likewise.
5187         * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
5188         * testsuite/experimental/filesystem/operations/last_write_time.cc:
5189         Likewise.
5190         * testsuite/experimental/filesystem/operations/permissions.cc:
5191         Likewise.
5192         * testsuite/experimental/filesystem/operations/read_symlink.cc:
5193         Likewise.
5194         * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
5195         * testsuite/experimental/filesystem/operations/remove_all.cc: Likewise.
5196         * testsuite/experimental/filesystem/operations/status.cc: Likewise.
5197         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
5198         Likewise.
5199         * testsuite/experimental/filesystem/path/append/path.cc: Likewise.
5200         * testsuite/experimental/filesystem/path/assign/assign.cc: Likewise.
5201         * testsuite/experimental/filesystem/path/assign/copy.cc: Likewise.
5202         * testsuite/experimental/filesystem/path/compare/compare.cc: Likewise.
5203         * testsuite/experimental/filesystem/path/compare/path.cc: Likewise.
5204         * testsuite/experimental/filesystem/path/compare/strings.cc: Likewise.
5205         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
5206         * testsuite/experimental/filesystem/path/concat/strings.cc: Likewise.
5207         * testsuite/experimental/filesystem/path/construct/copy.cc: Likewise.
5208         * testsuite/experimental/filesystem/path/construct/default.cc:
5209         Likewise.
5210         * testsuite/experimental/filesystem/path/construct/locale.cc: Likewise.
5211         * testsuite/experimental/filesystem/path/construct/range.cc: Likewise.
5212         * testsuite/experimental/filesystem/path/construct/string_view.cc:
5213         Likewise.
5214         * testsuite/experimental/filesystem/path/decompose/extension.cc:
5215         Likewise.
5216         * testsuite/experimental/filesystem/path/decompose/filename.cc:
5217         Likewise.
5218         * testsuite/experimental/filesystem/path/decompose/parent_path.cc:
5219         Likewise.
5220         * testsuite/experimental/filesystem/path/decompose/relative_path.cc:
5221         Likewise.
5222         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
5223         Likewise.
5224         * testsuite/experimental/filesystem/path/decompose/root_name.cc:
5225         Likewise.
5226         * testsuite/experimental/filesystem/path/decompose/root_path.cc:
5227         Likewise.
5228         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
5229         * testsuite/experimental/filesystem/path/generic/generic_string.cc:
5230         Likewise.
5231         * testsuite/experimental/filesystem/path/itr/traversal.cc: Likewise.
5232         * testsuite/experimental/filesystem/path/modifiers/clear.cc: Likewise.
5233         * testsuite/experimental/filesystem/path/modifiers/make_preferred.cc:
5234         Likewise.
5235         * testsuite/experimental/filesystem/path/modifiers/remove_filename.cc:
5236         Likewise.
5237         * testsuite/experimental/filesystem/path/modifiers/replace_extension.cc:
5238         Likewise.
5239         * testsuite/experimental/filesystem/path/modifiers/replace_filename.cc:
5240         Likewise.
5241         * testsuite/experimental/filesystem/path/modifiers/swap.cc: Likewise.
5242         * testsuite/experimental/filesystem/path/native/string.cc: Likewise.
5243         * testsuite/experimental/filesystem/path/nonmember/hash_value.cc:
5244         Likewise.
5245         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
5246         * testsuite/experimental/filesystem/path/query/has_extension.cc:
5247         Likewise.
5248         * testsuite/experimental/filesystem/path/query/has_filename.cc:
5249         Likewise.
5250         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
5251         Likewise.
5252         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
5253         Likewise.
5254         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
5255         Likewise.
5256         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
5257         Likewise.
5258         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
5259         Likewise.
5260         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
5261         * testsuite/experimental/filesystem/path/query/is_relative.cc:
5262         Likewise.
5263
5264 2018-04-13  Jonathan Wakely  <jwakely@redhat.com>
5265
5266         * src/c++11/Makefile.am: Fix sed command.
5267         * src/c++11/Makefile.in: Regenerate.
5268
5269         * src/c++11/Makefile.am: Rewrite sed rule to be less fragile and to
5270         handle mangled names starting with double underscores on darwin.
5271         * src/c++11/Makefile.in: Regenerate.
5272
5273 2018-04-12  Jonathan Wakely  <jwakely@redhat.com>
5274
5275         * src/c++11/Makefile.am: Fix comment.
5276         * src/c++11/Makefile.in: Regenerate.
5277         * src/c++11/cxx11-ios_failure.cc: Fix comment.
5278         * src/c++98/ios_failure.cc: Likewise.
5279
5280         * src/c++11/ios.cc: Remove redundant macro definition.
5281
5282 2018-04-11  Jonathan Wakely  <jwakely@redhat.com>
5283
5284         * doc/xml/manual/abi.xml: Document header locations in recent
5285         releases.
5286         * doc/xml/manual/evolution.xml: Add API changes since GCC 5.
5287         * doc/xml/manual/spine.xml: Update copyright years.
5288         * doc/xml/manual/strings.xml: Adjust tolower example to avoid
5289         undefined behaviour.
5290         * doc/xml/manual/test.xml: Update outdated notes on VERIFY in tests.
5291         * doc/html/*: Regenerate.
5292
5293 2018-04-10  Jonathan Wakely  <jwakely@redhat.com>
5294
5295         * doc/xml/faq.xml: Update links to archived copy of SGI STL docs.
5296         * doc/xml/manual/backwards_compatibility.xml: Likewise.
5297         * doc/xml/manual/containers.xml: Likewise.
5298         * doc/xml/manual/debug_mode.xml: Likewise.
5299         * doc/xml/manual/extensions.xml: Likewise.
5300         * doc/xml/manual/policy_data_structures_biblio.xml: Likewise.
5301         * doc/xml/manual/using.xml: Likewise.
5302         * doc/xml/manual/utilities.xml: Likewise.
5303
5304         PR libstdc++/85222
5305         * src/c++11/Makefile.am [ENABLE_DUAL_ABI]: Add special rules for
5306         cxx11-ios_failure.cc to rewrite type info for __ios_failure.
5307         * src/c++11/Makefile.in: Regenerate.
5308         * src/c++11/cxx11-ios_failure.cc (__ios_failure, __iosfail_type_info):
5309         New types.
5310         [_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
5311         * src/c++11/ios.cc (__throw_ios_failure): Remove definition.
5312         * src/c++98/ios_failure.cc (__construct_ios_failure)
5313         (__destroy_ios_failure, is_ios_failure_handler): New functions.
5314         [!_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
5315         * testsuite/27_io/ios_base/failure/dual_abi.cc: New.
5316         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Revert changes to
5317         handler types, to always catch std::ios_base::failure.
5318         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
5319         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
5320         exceptions_failbit.cc: Likewise.
5321         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
5322         exceptions_failbit.cc: Likewise.
5323         * testsuite/27_io/basic_istream/extractors_other/char/
5324         exceptions_null.cc: Likewise.
5325         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
5326         exceptions_null.cc: Likewise.
5327         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
5328         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
5329         * testsuite/27_io/basic_ostream/inserters_other/char/
5330         exceptions_null.cc: Likewise.
5331         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
5332         exceptions_null.cc: Likewise.
5333         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
5334
5335 2018-04-05  Jonathan Wakely  <jwakely@redhat.com>
5336
5337         * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Qualify
5338         __get calls to avoid ADL and avoid ambiguity due to Clang bug.
5339
5340 2018-04-03  Jonathan Wakely  <jwakely@redhat.com>
5341
5342         PR libstdc++/85183
5343         * include/std/variant (_Move_assign_base::operator=): Fix incorrect
5344         value categories.
5345         * testsuite/20_util/variant/85183.cc: New.
5346
5347 2018-03-26  Jonathan Wakely  <jwakely@redhat.com>
5348
5349         * include/std/variant (__get): Qualify calls to avoid ADL.
5350         (__select_index): Adjust whitespace.
5351         (variant): Add using-declaration to workaround Clang bug.
5352
5353 2018-03-22  Jonathan Wakely  <jwakely@redhat.com>
5354
5355         PR libstdc++/85040
5356         * include/bits/stl_function.h (greater::__not_overloaded)
5357         (less::__not_overloaded, greater_equal::__not_overloaded)
5358         (less_equal::__not_overloaded): Fix ambiguous specializations.
5359         * testsuite/20_util/function_objects/comparisons_pointer.cc: Add
5360         tests for type with overloaded operators.
5361
5362 2018-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5363
5364         PR libstdc++/77691
5365         * testsuite/experimental/memory_resource/resource_adaptor.cc:
5366         xfail execution on 32-bit Solaris/x86.
5367
5368 2018-03-21  Jonathan Wakely  <jwakely@redhat.com>
5369
5370         * testsuite/20_util/function_objects/comparisons_pointer.cc: Use
5371         VERIFY instead of assert.
5372         * testsuite/20_util/hash/84998.cc: New test.
5373         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: New
5374         copy of test adjusted for Debug Mode.
5375         * testsuite/23_containers/vector/cons/destructible_neg.cc: Do not run
5376         test in Debug Mode.
5377
5378 2018-03-20  François Dumont  <fdumont@gcc.gnu.org>
5379
5380         PR libstdc++/84998
5381         * include/bits/stl_bvector.h: Fix std::hash friend declaration.
5382         * include/std/bitset: Likewise.
5383         * include/bits/stl_map.h (std::map<>): Fix _Rb_tree_merge_helper friend
5384         declaration.
5385         * include/bits/stl_multimap.h (std::multimap<>): Likewise.
5386         * include/bits/stl_multiset.h (std::multiset<>): Likewise.
5387         * include/bits/stl_set.h (std::set<>): Likewise.
5388         * include/bits/unordered_map.h (std::unordered_map<>): Fix
5389         _Hash_merge_helper friend declaration.
5390         (std::unordered_multimap<>): Likewise.
5391         * include/bits/unordered_set.h (std::unordered_set<>): Likewise.
5392         (std::unordered_multiset<>): Likewise.
5393
5394 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
5395
5396         * doc/xml/api.xml: www.fsf.org has moved to https. Also omit
5397         trailing slash for domain level link.
5398         * doc/xml/faq.xml: Ditto.
5399         * doc/xml/manual/appendix_free.xml (software): Ditto.
5400         * doc/xml/manual/intro.xml: Ditto.
5401         * doc/xml/manual/spine.xml: Ditto.
5402         * doc/xml/spine.xml: Ditto.
5403
5404 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
5405
5406         * doc/xml/manual/documentation_hacking.xml: Adjust link to
5407         docbook.org.
5408
5409 2018-03-17  Jonathan Wakely  <jwakely@redhat.com>
5410
5411         * testsuite/20_util/function_objects/comparisons_pointer.cc: Adjust
5412         to compile as C++98.
5413
5414 2018-03-14  Jonathan Wakely  <jwakely@redhat.com>
5415
5416         PR libstdc++/78420
5417         * include/bits/stl_function.h (greater<_Tp*>, less<_Tp*>)
5418         (greater_equal<_Tp*>, less_equal<_Tp>*): Add partial specializations
5419         to ensure total order for pointers.
5420         (greater<void>, less<void>, greater_equal<void>, less_equal<void>):
5421         Add operator() overloads for pointer arguments and make generic
5422         overloads dispatch to new _S_cmp functions when comparisons would
5423         use built-in operators for pointers.
5424         * testsuite/20_util/function_objects/comparisons_pointer.cc: New.
5425
5426 2018-03-12  Jonathan Wakely  <jwakely@redhat.com>
5427
5428         PR libstdc++/84773
5429         PR libstdc++/83662
5430         * crossconfig.m4: Check for aligned_alloc etc. on freebsd and mingw32.
5431         * configure: Regenerate.
5432         * include/c_global/cstdlib [_GLIBCXX_HAVE_ALIGNED_ALLOC]
5433         (aligned_alloc): Add using-declaration.
5434         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: New test.
5435
5436 2018-03-09  François Dumont  <fdumont@gcc.gnu.org>
5437
5438         * python/libstdcxx/v6/printers.py (build_libstdcxx_dictionary):
5439         Fix std::_Fwd_list_iterator and std::_Fwd_list_const_iterator printers
5440         registration.
5441
5442 2018-03-09  Jonathan Wakely  <jwakely@redhat.com>
5443
5444         PR libstdc++/84769
5445         * include/std/variant (get<_Tp, _Types...>, get_if<_Tp, _Types...>):
5446         Qualify calls to get<_Np, Types...> and get_if<_Np, _Types...>.
5447
5448         src/filesystem/ops.cc (create_dir): Pass error_code to is_directory.
5449         src/filesystem/std-ops.cc (create_dir): Likewise.
5450
5451 2018-03-08  François Dumont  <fdumont@gcc.gnu.org>
5452
5453         * python/libstdcxx/v6/printers.py (NodeIteratorPrinter): New.
5454         (StdListIteratorPrinter): Inherit from latter.
5455         (StdFwdListIteratorPrinter): New, inherit from latter.
5456         (StdDebugIteratorPrinter.to_string): Use non-debug iterator printer
5457         when iterator has no associated container.
5458         (build_libstdcxx_dictionary): Add __gnu_cxx::_Fwd_list_iterator and
5459         __gnu_cxx::_Fwd_list_const_iterator printers. Remove __norm namespace
5460         registrations.
5461         * testsuite/libstdc++-prettyprinters/debug.cc: Adapt.
5462         * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Adapt.
5463
5464 2018-03-06  Ville Voutilainen  <ville.voutilainen@gmail.com>
5465
5466         PR libstdc++/84601
5467         * include/std/optional (_Optional_payload): Split into multiple
5468         specializations that can handle different cases of trivial or
5469         non-trivial assignment operators.
5470         * testsuite/20_util/optional/84601.cc: New.
5471         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
5472
5473 2018-03-02  Jonathan Wakely  <jwakely@redhat.com>
5474
5475         PR libstdc++/84671
5476         * include/bits/parse_numbers.h (_Number_help): Add partial
5477         specialization to handle digit separators. Adjust partial
5478         specialization for recursion temrination to require _Pow == 1ULL.
5479         * testsuite/20_util/duration/literals/84671.cc: New
5480
5481 2018-02-27  Ville Voutilainen  <ville.voutilainen@gmail.com>
5482
5483         Implement the missing bits of LWG 2769
5484         * include/std/any (any_cast(const any&)): Add static_assert.
5485         (any_cast(any&)): Likewise.
5486         (any_cast(any&&)): Likewise, and remove the handling
5487         for copyable-but-not-movable type.
5488         * testsuite/20_util/any/misc/any_cast.cc: Adjust.
5489         * testsuite/20_util/any/misc/any_cast_neg.cc: Likewise, and
5490         add new tests.
5491
5492 2018-02-23  Jonathan Wakely  <jwakely@redhat.com>
5493
5494         PR libstdc++/84532
5495         * include/std/thread (thread::__make_invoker): Construct tuple
5496         directly instead of using make_tuple.
5497         * testsuite/30_threads/async/84532.cc: New.
5498         * testsuite/30_threads/thread/84532.cc: New.
5499
5500 2018-02-20  François Dumont  <fdumont@gcc.gnu.org>
5501
5502         * include/ext/aligned_buffer.h [_GLIBCXX_INLINE_VERSION]
5503         (template<> __aligned_buffer): Define as __aligned_membuf alias.
5504
5505 2018-02-19  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
5506
5507         PR target/84148
5508         * configure: Regenerate.
5509
5510 2018-02-15  Jonathan Wakely  <jwakely@redhat.com>
5511
5512         PR libstdc++/81797
5513         * configure.ac (INCLUDE_DIR_NOTPARALLEL): Define.
5514         * configure: Regenerate.
5515         * include/Makefile.am (INCLUDE_DIR_NOTPARALLEL): Add .NOTPARALLEL when
5516         defined.
5517         * include/Makefile.in: Regenerate.
5518
5519 2018-01-29  Jonathan Wakely  <jwakely@redhat.com>
5520
5521         PR libstdc++/83833
5522         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
5523         Add -ffloat-store to options for m68k and ia32.
5524
5525         * doc/xml/faq.xml: Update copyright years.
5526         * doc/html/*: Regenerate.
5527
5528         PR libstdc++/83658
5529         * include/std/any (any::__do_emplace): Only set _M_manager after
5530         constructing the contained object.
5531         * testsuite/20_util/any/misc/any_cast_neg.cc: Adjust dg-error line.
5532         * testsuite/20_util/any/modifiers/83658.cc: New test.
5533
5534 2018-01-25  Jonathan Wakely  <jwakely@redhat.com>
5535
5536         PR libstdc++/81076
5537         * include/c_global/cstddef (__byte_operand): Define primary template.
5538         * testsuite/18_support/byte/81076.cc: New test.
5539
5540 2018-01-19  Christophe Lyon  <christophe.lyon@linaro.org>
5541
5542         * testsuite/ext/special_functions/airy_ai/check_nan.cc: Fix
5543         dg-options and dg-add-options order.
5544         * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
5545         * testsuite/ext/special_functions/conf_hyperg/check_nan.cc:
5546         Likewise.
5547         * testsuite/ext/special_functions/hyperg/check_nan.cc: Likewise.
5548         * testsuite/special_functions/01_assoc_laguerre/check_nan.cc:
5549         Likewise.
5550         * testsuite/special_functions/02_assoc_legendre/check_nan.cc:
5551         Likewise.
5552         * testsuite/special_functions/03_beta/check_nan.cc: Likewise.
5553         * testsuite/special_functions/04_comp_ellint_1/check_nan.cc:
5554         Likewise.
5555         * testsuite/special_functions/05_comp_ellint_2/check_nan.cc:
5556         Likewise.
5557         * testsuite/special_functions/06_comp_ellint_3/check_nan.cc:
5558         Likewise.
5559         * testsuite/special_functions/06_comp_ellint_3/pr66689.cc:
5560         Likewise.
5561         * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc:
5562         Likewise.
5563         * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc:
5564         Likewise.
5565         * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc:
5566         Likewise.
5567         * testsuite/special_functions/10_cyl_neumann/check_nan.cc:
5568         Likewise.
5569         * testsuite/special_functions/11_ellint_1/check_nan.cc: Likewise.
5570         * testsuite/special_functions/12_ellint_2/check_nan.cc: Likewise.
5571         * testsuite/special_functions/13_ellint_3/check_nan.cc: Likewise.
5572         * testsuite/special_functions/13_ellint_3/pr66689.cc: Likewise.
5573         * testsuite/special_functions/14_expint/check_nan.cc: Likewise.
5574         * testsuite/special_functions/15_hermite/check_nan.cc: Likewise.
5575         * testsuite/special_functions/16_laguerre/check_nan.cc: Likewise.
5576         * testsuite/special_functions/17_legendre/check_nan.cc: Likewise.
5577         * testsuite/special_functions/18_riemann_zeta/check_nan.cc:
5578         Likewise.
5579         * testsuite/special_functions/19_sph_bessel/check_nan.cc:
5580         Likewise.
5581         * testsuite/special_functions/20_sph_legendre/check_nan.cc:
5582         Likewise.
5583         * testsuite/special_functions/21_sph_neumann/check_nan.cc:
5584         Likewise.
5585
5586 2018-01-18  Uros Bizjak  <ubizjak@gmail.com>
5587
5588         * configure.ac (AC_CHECK_HEADERS): Add linux/types.h.  Conditionally
5589         include linux/types.h when checking linux/random.h header.
5590         * config.h.in: Regenerate.
5591         * configure: Ditto.
5592         * src/c++11/random.cc: Conditionally include linux/types.h.
5593
5594 2018-01-16  Eric Botcazou  <ebotcazou@adacore.com>
5595
5596         * testsuite/17_intro/names.cc: Undefine 'y' on SPARC/Linux.
5597
5598 2018-01-16  Jonathan Wakely  <jwakely@redhat.com>
5599
5600         PR libstdc++/83834
5601         * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace std::c[a-g]* wildcard
5602         pattern with exact match for std::cerr.
5603
5604 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
5605
5606         PR libstdc++/83833
5607         * include/bits/random.h (chi_squared_distribution::param): Update
5608         gamma distribution parameter.
5609         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc: New
5610         test.
5611
5612         PR libstdc++/83830
5613         * include/std/type_traits (has_unique_object_representations_v): Add
5614         variable template.
5615         * testsuite/20_util/has_unique_object_representations/value.cc: Check
5616         variable template.
5617
5618 2018-01-15  Ville Voutilainen  <ville.voutilainen@gmail.com>
5619
5620         Make optional conditionally
5621         trivially_{copy,move}_{constructible,assignable}
5622         * include/std/optional (_Optional_payload): Fix the comment in
5623         the class head and turn into a primary and one specialization.
5624         (_Optional_payload::_M_engaged): Strike the NSDMI.
5625         (_Optional_payload<_Tp, false>::operator=(const _Optional_payload&)):
5626         New.
5627         (_Optional_payload<_Tp, false>::operator=(_Optional_payload&&)):
5628         Likewise.
5629         (_Optional_payload<_Tp, false>::_M_get): Likewise.
5630         (_Optional_payload<_Tp, false>::_M_reset): Likewise.
5631         (_Optional_base_impl): Likewise.
5632         (_Optional_base): Turn into a primary and three specializations.
5633         (optional(nullopt)): Change the base init.
5634         * testsuite/20_util/optional/assignment/8.cc: New.
5635         * testsuite/20_util/optional/cons/trivial.cc: Likewise.
5636         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
5637
5638 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
5639
5640         PR libstdc++/80276
5641         * python/libstdcxx/v6/printers.py (strip_inline_namespaces): New.
5642         (get_template_arg_list): New.
5643         (StdVariantPrinter._template_args): Remove, use get_template_arg_list
5644         instead.
5645         (TemplateTypePrinter): Rewrite to work with gdb.Type objects instead
5646         of strings and regular expressions.
5647         (add_one_template_type_printer): Adapt to new TemplateTypePrinter.
5648         (FilteringTypePrinter): Add docstring. Match using startswith. Use
5649         strip_inline_namespaces instead of strip_versioned_namespace.
5650         (add_one_type_printer): Prepend namespace to match argument.
5651         (register_type_printers): Add type printers for char16_t and char32_t
5652         string types and for types using cxx11 ABI. Update calls to
5653         add_one_template_type_printer to provide default argument dicts.
5654         * testsuite/libstdc++-prettyprinters/80276.cc: New test.
5655         * testsuite/libstdc++-prettyprinters/whatis.cc: Remove tests for
5656         basic_string<unsigned char> and basic_string<signed char>.
5657         * testsuite/libstdc++-prettyprinters/whatis2.cc: Duplicate whatis.cc
5658         to test local variables, without overriding _GLIBCXX_USE_CXX11_ABI.
5659
5660 2018-01-14  Andreas Schwab  <schwab@linux-m68k.org>
5661
5662         PR libstdc++/81092
5663         * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
5664
5665 2018-01-13  Tim Shen  <timshen@google.com>
5666
5667         PR libstdc++/83601
5668         * include/bits/regex.tcc (regex_replace): Fix escaping in sed.
5669         * testsuite/28_regex/algorithms/regex_replace/char/pr83601.cc: Tests.
5670         * testsuite/28_regex/algorithms/regex_replace/wchar_t/pr83601.cc: Tests.
5671
5672 2018-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5673
5674         PR libstdc++/64054
5675         * testsuite/27_io/basic_ostream/inserters_arithmetic/char/hexfloat.cc:
5676         Remove dg-xfail-run-if.
5677
5678 2018-01-10  François Dumont  <fdumont@gcc.gnu.org>
5679
5680         * include/bits/forward_list.h
5681         (_Fwd_list_node_base(_Fwd_list_node_base&&)): New.
5682         (_Fwd_list_node_base& operator=(_Fwd_list_node_base&&)): New.
5683         (_Fwd_list_node_base(const _Fwd_list_node_base&)): Explicit delete.
5684         (_Fwd_list_node_base& operator=(const _Fwd_list_node_base&)): Likewise.
5685         (_Fwd_list_impl()): Add noexcept qualification.
5686         (_Fwd_list_impl(const _Node_alloc_type&)): Delete.
5687         (_Fwd_list_impl(_Fwd_list_impl&&)): New, default.
5688         (_Fwd_list_impl(_Fwd_list_impl&&, _Node_alloc_type&&)): New.
5689         (_Fwd_list_base()): Default.
5690         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&, true_type)): New.
5691         (_Fwd_list_base(_Fwd_list_base&&)): Default.
5692         (forward_list<>()): Default.
5693         (forward_list<>(forward_list&&)): Default.
5694         (forward_list(forward_list&&, _Node_alloc_type&&, false_type)): New.
5695         (forward_list(forward_list&&, _Node_alloc_type&&, true_type)): New.
5696         (forward_list(forward_list&&, const _Alloc&)): Adapt to use latters.
5697         * include/bits/forward_list.tcc
5698         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&)): Adapt to use
5699         _M_impl._M_head move assignment.
5700         (forward_list<>::merge(forward_list<>&&, _Comp)): Likewise.
5701         * testsuite/23_containers/forward_list/allocator/default_init.cc: New.
5702
5703 2018-01-09  Jonathan Wakely  <jwakely@redhat.com>
5704
5705         PR libstdc++/80276
5706         * python/libstdcxx/v6/printers.py (SharedPointerPrinter)
5707         (UniquePointerPrinter): Print correct template argument, not type of
5708         the pointer.
5709         (TemplateTypePrinter._recognizer.recognize): Handle failure to lookup
5710         a type.
5711         * testsuite/libstdc++-prettyprinters/cxx11.cc: Test unique_ptr of
5712         array type.
5713         * testsuite/libstdc++-prettyprinters/cxx17.cc: Test shared_ptr and
5714         weak_ptr of array types.
5715
5716 2018-01-09  François Dumont  <fdumont@gcc.gnu.org>
5717
5718         PR libstdc++/83709
5719         * include/bits/hashtable_policy.h
5720         (__distance_fwd(_Iterator, _Iterator, input_iterator_tag)): Return 1 if
5721         __first != __last.
5722         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, true_type)): New.
5723         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, false_type)):
5724         Add false_type parameter.
5725         (_Insert_base::insert): Adapt.
5726         * include/bits/hashtable.h (_Hashtable::operator=(initializzr_list<>)):
5727         Adapt.
5728         (_Hashtable::_M_insert(_Arg&&, const _NodeGen&, true_type, size_t)):
5729          Add __n_elt parameter, defaulted to 1.
5730         (_Hashtable::_M_insert_unique_node): Likewise. Use it to call rehash
5731         policy _M_need_rehash.
5732         (_Hashtable::_M_merge_unique): Pass target number of elements to add to
5733         produce only 1 rehash if necessary.
5734         * testsuite/23_containers/unordered_map/insert/83709.cc: New.
5735         * testsuite/23_containers/unordered_set/insert/83709.cc: New.
5736
5737 2018-01-09  Juraj Oršulić  <juraj.orsulic@fer.hr>
5738             Jonathan Wakely  <jwakely@redhat.com>
5739
5740         PR libstdc++/59253 (partial)
5741         * python/libstdcxx/v6/printers.py (SmartPtrIterator): Common iterator
5742         type for pointer stored by shared_ptr, weak_ptr and unique_ptr.
5743         (SharedPointerPrinter, UniquePointerPrinter): Treat stored values as
5744         children.
5745         * testsuite/libstdc++-prettyprinters/cxx11.cc: Update expected output
5746         of unique_ptr printer.
5747         * testsuite/libstdc++-prettyprinters/shared_ptr.cc: Update expected
5748         output of shared_ptr printer.
5749
5750 2018-01-05  Jonathan Wakely  <jwakely@redhat.com>
5751
5752         PR libstdc++/83626
5753         * src/filesystem/ops.cc (remove(const path&, error_code&)): Remove
5754         unnecessary symlink_status call.
5755         (remove_all(const path&, error_code&)): Use filesystem::remove.
5756         * src/filesystem/std-ops.cc: Likewise.
5757
5758         PR libstdc++/83279
5759         * src/filesystem/std-ops.cc  (do_copy_file): Use non-null offset with
5760         sendfile.
5761
5762         PR libstdc++/83626
5763         * src/filesystem/ops.cc (remove(const path&, error_code&)): Do not
5764         report an error for ENOENT.
5765         (remove_all(const path&)): Fix type of result variable.
5766         (remove_all(const path&, error_code&)): Use non-throwing increment
5767         for directory iterator. Call POSIX remove directly to avoid redundant
5768         calls to symlink_status. Do not report errors for ENOENT.
5769         * src/filesystem/std-ops.cc: Likewise.
5770         * testsuite/27_io/filesystem/operations/remove_all.cc: Test throwing
5771         overload.
5772         * testsuite/experimental/filesystem/operations/remove_all.cc:
5773         Likewise.
5774
5775 2018-01-04  Jonathan Wakely  <jwakely@redhat.com>
5776
5777         PR libstdc++/83626
5778         * src/filesystem/ops.cc (remove(const path&, error_code&))): Remove
5779         redundant call to ec.clear().
5780         (remove_all(const path&, error_code&))): Do not return an error for
5781         non-existent paths.
5782         * src/filesystem/std-ops.cc: Likewise.
5783         * testsuite/27_io/filesystem/operations/remove.cc: New test.
5784         * testsuite/27_io/filesystem/operations/remove_all.cc: Fix expected
5785         results for non-existent paths.
5786         * testsuite/experimental/filesystem/operations/remove.cc: New test.
5787         * testsuite/experimental/filesystem/operations/remove_all.cc: Fix
5788         expected results for non-existent paths.
5789
5790         * include/bits/fs_ops.h (exists(const path&, error_code&))): Only
5791         check status_known once.
5792         * include/experimental/bits/fs_ops.h: Likewise.
5793
5794         PR libstdc++/83607
5795         * include/std/functional (__is_byte_like): New trait.
5796         (__is_std_equal_to): Remove.
5797         (__boyer_moore_base_t): Use __is_byte_like instead of
5798         __is_std_equal_to.
5799         * include/experimental/functional (__is_std_equal_to): Remove.
5800         (__boyer_moore_base_t): Use __is_byte_like instead of
5801         __is_std_equal_to.
5802         * testsuite/20_util/function_objects/83607.cc: New test.
5803
5804 2018-01-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
5805
5806         Protect optional's deduction guide with the feature macro
5807         * include/std/optional: Use the feature macro.
5808
5809 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
5810
5811         Update copyright years.
5812 \f
5813 Copyright (C) 2018 Free Software Foundation, Inc.
5814
5815 Copying and distribution of this file, with or without modification,
5816 are permitted in any medium without royalty provided the copyright
5817 notice and this notice are preserved.