libstdc++-v3/ChangeLog

   1 2018-11-29  Jonathan Wakely  <jwakely@redhat.com>
   2
   3         PR libstdc++/88119
   4         * include/ext/aligned_buffer.h (__aligned_membuf): Add comment.
   5         (__aligned_buffer): Use __alignof__ instead of std::alignment_of.
   6         * include/std/type_traits (alignment_of): Use alignof instead of
   7         __alignof__.
   8         * testsuite/20_util/alignment_of/value.cc: Fix test to check values
   9         match alignof not __alignof__, as required by the standard.
  10
  11         PR libstdc++/86910
  12         PR libstdc++/87846
  13         * src/filesystem/ops.cc (experimental::create_directories): Report
  14         an error when the path resolves to an existing non-directory (P1164).
  15         * src/filesystem/std-ops.cc (create_directories): Likewise. Handle
  16         empty filenames due to trailing slashes.
  17         * testsuite/27_io/filesystem/operations/create_directories.cc: Test
  18         when some component of the path exists and is not a directory. Test
  19         trailing slashes.
  20         * testsuite/experimental/filesystem/operations/create_directories.cc:
  21         Likewise.
  22
  23 2018-11-28  Jonathan Wakely  <jwakely@redhat.com>
  24
  25         PR libstdc++/83306
  26         * src/filesystem/path.cc (filesystem_error::_M_gen_what()): Create
  27         string directly, instead of calling fs_err_concat.
  28
  29         PR libstdc++/83511
  30         * include/std/string_view (basic_string_view::substr): Add default
  31         argument to first parameter.
  32         * include/experimental/string_view (basic_string_view::substr):
  33         Likewise.
  34         * testsuite/21_strings/basic_string_view/operations/substr/char/
  35         83511.cc: New test.
  36         * testsuite/21_strings/basic_string_view/operations/substr/wchar_t/
  37         83511.cc: New test.
  38         * testsuite/experimental/string_view/operations/substr/char/83511.cc:
  39         New test.
  40         * testsuite/experimental/string_view/operations/substr/wchar_t/83511.cc:
  41         New test.
  42
  43 2018-11-28  Edward Smith-Rowland  <3dw4rd@verizon.net>
  44
  45         Implement uniform container erasure for C++20.
  46         * include/Makefile.am: Move erase_if.h.
  47         * include/Makefile.in: Move erase_if.h.
  48         * include/experimental/bits/erase_if.h: Move ...
  49         * include/bits/erase_if.h: ... here.
  50         * include/experimental/map: Move erase_if.h.
  51         * include/experimental/set: Move erase_if.h.
  52         * include/experimental/unordered_map: Move erase_if.h.
  53         * include/experimental/unordered_set: Move erase_if.h.
  54         * include/std/deque (erase_if, erase): New functions.
  55         * include/std/forward_list: Ditto.
  56         * include/std/list: Ditto.
  57         * include/std/map: Ditto.
  58         * include/std/set: Ditto.
  59         * include/std/string: Ditto.
  60         * include/std/unordered_map: Ditto.
  61         * include/std/unordered_set: Ditto.
  62         * include/std/vector: Ditto.
  63         * testsuite/21_strings/basic_string/erasure.cc: New test.
  64         * testsuite/23_containers/deque/erasure.cc: New test.
  65         * testsuite/23_containers/forward_list/erasure.cc: New test.
  66         * testsuite/23_containers/list/erasure.cc: New test.
  67         * testsuite/23_containers/map/erasure.cc: New test.
  68         * testsuite/23_containers/set/erasure.cc: New test.
  69         * testsuite/23_containers/unordered_map/erasure.cc: New test.
  70         * testsuite/23_containers/unordered_set/erasure.cc: New test.
  71         * testsuite/23_containers/vector/erasure.cc: New test.
  72
  73 2018-11-28  Jonathan Wakely  <jwakely@redhat.com>
  74
  75         * doc/xml/manual/intro.xml: Document LWG 3096 change.
  76         * src/filesystem/std-path.cc (path::lexically_relative(const path&)):
  77         Treat a final empty element equivalently to a final dot element.
  78         * testsuite/27_io/filesystem/path/generation/relative.cc: Add checks
  79         for the examples in the DR.
  80
  81         PR libstdc++/83306
  82         * include/bits/fs_path.h (filesystem_error): Move data members into
  83         pimpl class owned by shared_ptr. Remove inline definitions of member
  84         functions.
  85         * src/filesystem/std-path.cc (filesystem_error::_Impl): Define.
  86         (filesystem_error): Define member functions.
  87         * testsuite/27_io/filesystem/filesystem_error/cons.cc: New test.
  88         * testsuite/27_io/filesystem/filesystem_error/copy.cc: New test.
  89
  90         * doc/xml/manual/status_cxx2017.xml: Update C++17 status.
  91         * doc/html/*: Regenerate.
  92
  93 2018-11-27  Jonathan Wakely  <jwakely@redhat.com>
  94
  95         * testsuite/27_io/filesystem/operations/canonical.cc: Remove
  96         directory created by test.
  97         * testsuite/27_io/filesystem/operations/symlink_status.cc: Remove
  98         symlink created by test.
  99
 100         PR libstdc++/67843
 101         * acinclude.m4 (GLIBCXX_ENABLE_LOCK_POLICY): Add new macro
 102         that defines _GLIBCXX_HAVE_ATOMIC_LOCK_POLICY.
 103         * config.h.in: Regenerate.
 104         * configure: Regenerate.
 105         * configure.ac: Use GLIBCXX_ENABLE_LOCK_POLICY.
 106         * doc/xml/manual/configure.xml: Document new configure option.
 107         * include/bits/fs_dir.h (directory_iterator): Use __shared_ptr
 108         instead of shared_ptr.
 109         (recursive_directory_iterator): Likewise.
 110         (__shared_ptr<_Dir>): Add explicit instantiation declaration.
 111         (__shared_ptr<recursive_directory_iterator::_Dir_stack>): Likewise.
 112         * include/bits/shared_ptr_base.h (__allocate_shared, __make_shared):
 113         Add default template argument for _Lock_policy template parameter.
 114         * include/ext/concurrence.h (__default_lock_policy): Check macro
 115         _GLIBCXX_HAVE_ATOMIC_LOCK_POLICY instead of checking if the current
 116         target supports the builtins for compare-and-swap.
 117         * src/filesystem/std-dir.cc (__shared_ptr<_Dir>): Add explicit
 118         instantiation definition.
 119         (__shared_ptr<recursive_directory_iterator::_Dir_stack>): Likewise.
 120         (directory_iterator, recursive_directory_iterator): Use __make_shared
 121         instead of make_shared.
 122
 123 2018-11-27  François Dumont  <fdumont@gcc.gnu.org>
 124
 125         PR libstdc++/88199
 126         * include/bits/hashtable.h (_Hashtable<>::_M_assign_elements): New.
 127         (_Hashtable<>::operator=(const _Hashtable&)): Use latter.
 128         (_Hashtable<>::_M_move_assign(_Hashtable&&, false_type)): Likewise.
 129         * testsuite/23_containers/unordered_set/allocator/move_assign.cc
 130         (test03): New.
 131
 132 2018-11-26  Jonathan Wakely  <jwakely@redhat.com>
 133
 134         * testsuite/26_numerics/complex/requirements/more_constexpr.cc: Fix
 135         failure on targets without __float128.
 136
 137 2018-11-23  Edward Smith-Rowland  <3dw4rd@verizon.net>
 138
 139         Implement P0415 More constexpr for std::complex.
 140         * include/std/complex (conj(complex<Tp>), norm(complex<Tp>)): Constexpr;
 141         (real(Tp), imag(Tp)): Constexpr;
 142         (operator@=(Tp), operator@=(complex<Tp>)): Constexpr;
 143         (operator@(Tp,complex<Tp>), operator@(complex<Tp>,Tp)
 144         operator@(complex<Tp>,complex<Tp>)): Constexpr.
 145         * testsuite/26_numerics/complex/comparison_operators/
 146         more_constexpr.cc: New test.
 147         * testsuite/26_numerics/complex/operators/more_constexpr.cc: New test.
 148         * testsuite/26_numerics/complex/requirements/
 149         more_constexpr.cc: New test.
 150         * testsuite/26_numerics/complex/value_operations/
 151         more_constexpr.cc: New test.
 152         * testsuite/26_numerics/headers/complex/synopsis.cc:
 153         Add _GLIBCXX20_CONSTEXPR to applicable operators; Add missing proj().
 154         * testsuite/26_numerics/headers/complex/synopsis.cc:
 155         Add _GLIBCXX20_CONSTEXPR to relevant decls.
 156
 157 2018-11-23  Martin Sebor  <msebor@redhat.com>
 158             Jonathan Wakely  <jwakely@redhat.com>
 159
 160         PR libstdc++/65229
 161         * python/libstdcxx/v6/printers.py (StdBitsetPrinter): Handle
 162         exception thrown for std::bitset<0>.
 163         * testsuite/libstdc++-prettyprinters/simple.cc: Test std::bitset<0>.
 164
 165 2018-11-23  Jonathan Wakely  <jwakely@redhat.com>
 166
 167         PR libstdc++/87308 (partial)
 168         * python/libstdcxx/v6/printers.py (StdExpAnyPrinter): Adjust regex to
 169         work around PR 88166.
 170         * testsuite/libstdc++-prettyprinters/cxx17.cc: Test std::any
 171         containing a local type.
 172
 173 2018-11-22  Marc Glisse  <marc.glisse@inria.fr>
 174
 175         PR libstdc++/87106
 176         * include/bits/stl_algobase.h: Include <type_traits>.
 177         (__niter_base): Add noexcept specification.
 178         * include/bits/stl_deque.h: Include <bits/stl_uninitialized.h>.
 179         (__is_trivially_relocatable): Specialize for deque.
 180         * include/bits/stl_iterator.h: Include <type_traits>.
 181         (__niter_base): Add noexcept specification.
 182         * include/bits/stl_uninitialized.h (__is_trivially_relocatable):
 183         Add parameter for meta-programming.
 184         (__relocate_a_1, __relocate_a): Add noexcept specification.
 185         * include/bits/stl_vector.h (__use_relocate): Test __relocate_a.
 186
 187 2018-11-22  Jonathan Wakely  <jwakely@redhat.com>
 188
 189         PR libstdc++/85930
 190         PR libstdc++/87520
 191         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti)
 192         [__cpp_rtti]: Define even when RTTI is enabled. Use array of
 193         sizeof(type_info) so that type-punned reference binds to an object
 194         of the correct size as well as correct alignment.
 195         (_Sp_counted_ptr_inplace::_M_get_deleter) [__cpp_rtti]: Check for
 196         _S_ti() reference even when RTTI is enabled.
 197         (__shared_ptr(_Sp_make_shared_tag, const _Alloc&, _Args&&...))
 198         [__cpp_rtti]: Pass _S_ti() instead of typeid(_Sp_make_shared_tag).
 199
 200 2018-11-21  Jakub Jelinek  <jakub@redhat.com>
 201
 202         PR c++/87386
 203         * testsuite/20_util/scoped_allocator/69293_neg.cc: Adjust expected
 204         line.
 205         * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
 206         * testsuite/20_util/uses_allocator/69293_neg.cc: Likewise.
 207         * testsuite/experimental/propagate_const/requirements2.cc: Likewise.
 208         * testsuite/experimental/propagate_const/requirements3.cc: Likewise.
 209         * testsuite/experimental/propagate_const/requirements4.cc: Likewise.
 210         * testsuite/experimental/propagate_const/requirements5.cc: Likewise.
 211
 212 2018-11-21  Jonathan Wakely  <jwakely@redhat.com>
 213
 214         PR libstdc++/88111
 215         * include/std/memory_resource (pool_options): Add Doxygen comments.
 216         * src/c++17/memory_resource.cc (pool_sizes): Only use suitable values
 217         on targets with 16-bit or 20-bit size_t type.
 218         (munge_options): Make default values depend on width of size_t type.
 219
 220         PR libstdc++/88113
 221         * src/c++17/memory_resource.cc (bitset::size_type): Use the smaller
 222         of uint32_t and size_t.
 223         (bitset::size(), bitset::free(), bitset::update_next_word())
 224         (bitset::max_blocks_per_chunk(), bitset::max_word_index()): Use
 225         size_type consistently instead of size_t.
 226         (chunk): Adjust static_assert checking sizeof(chunk).
 227
 228 2018-11-20  Ville Voutilainen  <ville.voutilainen@gmail.com>
 229
 230         Housekeeping for the effective targets of optional's tests.
 231         * testsuite/20_util/optional/77288.cc: Adjust.
 232         * testsuite/20_util/optional/84601.cc: Likewise.
 233         * testsuite/20_util/optional/assignment/1.cc: Likewise.
 234         * testsuite/20_util/optional/assignment/2.cc: Likewise.
 235         * testsuite/20_util/optional/assignment/3.cc: Likewise.
 236         * testsuite/20_util/optional/assignment/4.cc: Likewise.
 237         * testsuite/20_util/optional/assignment/5.cc: Likewise.
 238         * testsuite/20_util/optional/assignment/6.cc: Likewise.
 239         * testsuite/20_util/optional/assignment/7.cc: Likewise.
 240         * testsuite/20_util/optional/assignment/8.cc: Likewise.
 241         * testsuite/20_util/optional/cons/77727.cc: Likewise.
 242         * testsuite/20_util/optional/cons/copy.cc: Likewise.
 243         * testsuite/20_util/optional/cons/deduction.cc: Likewise.
 244         * testsuite/20_util/optional/cons/default.cc: Likewise.
 245         * testsuite/20_util/optional/cons/move.cc: Likewise.
 246         * testsuite/20_util/optional/cons/trivial.cc: Likewise.
 247         * testsuite/20_util/optional/cons/value.cc: Likewise.
 248         * testsuite/20_util/optional/cons/value_neg.cc: Likewise.
 249         * testsuite/20_util/optional/constexpr/cons/default.cc: Likewise.
 250         * testsuite/20_util/optional/constexpr/cons/value.cc: Likewise.
 251         * testsuite/20_util/optional/constexpr/in_place.cc: Likewise.
 252         * testsuite/20_util/optional/constexpr/nullopt.cc: Likewise.
 253         * testsuite/20_util/optional/constexpr/observers/1.cc: Likewise.
 254         * testsuite/20_util/optional/constexpr/observers/4.cc: Likewise.
 255         * testsuite/20_util/optional/constexpr/observers/5.cc: Likewise.
 256         * testsuite/20_util/optional/constexpr/relops/1.cc: Likewise.
 257         * testsuite/20_util/optional/constexpr/relops/2.cc: Likewise.
 258         * testsuite/20_util/optional/constexpr/relops/3.cc: Likewise.
 259         * testsuite/20_util/optional/constexpr/relops/4.cc: Likewise.
 260         * testsuite/20_util/optional/constexpr/relops/5.cc: Likewise.
 261         * testsuite/20_util/optional/constexpr/relops/6.cc: Likewise.
 262         * testsuite/20_util/optional/in_place.cc: Likewise.
 263         * testsuite/20_util/optional/make_optional.cc: Likewise.
 264         * testsuite/20_util/optional/nullopt.cc: Likewise.
 265         * testsuite/20_util/optional/observers/1.cc: Likewise.
 266         * testsuite/20_util/optional/observers/2.cc: Likewise.
 267         * testsuite/20_util/optional/observers/3.cc: Likewise.
 268         * testsuite/20_util/optional/observers/4.cc: Likewise.
 269         * testsuite/20_util/optional/observers/5.cc: Likewise.
 270         * testsuite/20_util/optional/observers/6.cc: Likewise.
 271         * testsuite/20_util/optional/relops/1.cc: Likewise.
 272         * testsuite/20_util/optional/relops/2.cc: Likewise.
 273         * testsuite/20_util/optional/relops/3.cc: Likewise.
 274         * testsuite/20_util/optional/relops/4.cc: Likewise.
 275         * testsuite/20_util/optional/relops/5.cc: Likewise.
 276         * testsuite/20_util/optional/relops/6.cc: Likewise.
 277         * testsuite/20_util/optional/relops/7.cc: Likewise.
 278         * testsuite/20_util/optional/requirements.cc: Likewise.
 279         * testsuite/20_util/optional/swap/1.cc: Likewise.
 280         * testsuite/20_util/optional/swap/2.cc: Likewise.
 281         * testsuite/20_util/optional/typedefs.cc: Likewise.
 282
 283 2018-11-19  François Dumont  <fdumont@gcc.gnu.org>
 284
 285         * include/ext/throw_allocator.h
 286         (annotate_base::insert(void*, size_t)): Use insert result to check for
 287         double insert attempt.
 288         (annotate_base::insert_construct(void*)): Likewise.
 289         (annotate_base::check_allocated(void*, size_t)): Return found iterator.
 290         (annotate_base::erase(void*, size_t)): Use latter method returned
 291         iterator.
 292         (annotate_base::check_constructed(void*, size_t)): Return found iterator.
 293         (annotate_base::erase_construct(void*)): Use latter method returned
 294         iterator.
 295
 296 2018-11-19  Ville Voutilainen  <ville.voutilainen@gmail.com>
 297
 298         PR libstdc++/87855
 299         Also implement P0602R4 (variant and optional
 300         should propagate copy/move triviality) for std::optional.
 301         * include/std/optional (_Optional_payload): Change
 302         the main constraints to check constructibility in
 303         addition to assignability.
 304         (operator=): Make constexpr.
 305         (_M_reset): Likewise.
 306         (_M_construct): Likewise.
 307         (operator->): Likewise.
 308         * testsuite/20_util/optional/assignment/8.cc: Adjust.
 309         * testsuite/20_util/optional/assignment/9.cc: New.
 310
 311 2018-11-19  Jonathan Wakely  <jwakely@redhat.com>
 312
 313         PR libstdc++/88084 - Implement LWG 2777
 314         * include/std/string_view (basic_string_view::copy): Use traits to
 315         copy.
 316         * testsuite/21_strings/basic_string_view/operations/copy/char/2.cc:
 317         New test.
 318         * testsuite/21_strings/basic_string_view/operations/copy/wchar_t/2.cc:
 319         New test.
 320
 321 2018-11-18  Michele Pezzutti <mpezz@tiscali.it>
 322             Edward Smith-Rowland  <3dw4rd@verizon.net>
 323
 324         PR libstdc++/83566 - cyl_bessel_j returns wrong result for x>1000
 325         for high orders.
 326         * include/tr1/bessel_function.tcc: Perform no fewer than nu/2 iterations
 327         of the asymptotic series (nu is the Bessel order).
 328         * testsuite/tr1/5_numerical_facilities/special_functions/
 329         09_cyl_bessel_j/check_value.cc: Add tests at nu=100, 1000<=x<=2000.
 330         * testsuite/tr1/5_numerical_facilities/special_functions/
 331         11_cyl_neumann/check_value.cc: Ditto.
 332         * testsuite/special_functions/08_cyl_bessel_j/check_value.cc: Ditto.
 333         * testsuite/special_functions/10_cyl_neumann/check_value.cc: Ditto.
 334
 335 2018-11-17  Jonathan Wakely  <jwakely@redhat.com>
 336
 337         Implement std::pmr::synchronized_pool_resource
 338         * config/abi/pre/gnu.ver: Add new symbols.
 339         * include/std/memory_resource [_GLIBCXX_HAS_GTHREADS]
 340         (__cpp_lib_memory_resource): Define to expected value, 201603.
 341         (synchronized_pool_resource): New class.
 342         [!_GLIBCXX_HAS_GTHREADS] (__cpp_lib_memory_resource): Define to 1.
 343         * include/std/shared_mutex (__glibcxx_rwlock_rdlock)
 344         (__glibcxx_rwlock_tryrdlock, __glibcxx_rwlock_wrlock)
 345         (__glibcxx_rwlock_trywrlock, __glibcxx_rwlock_unlock)
 346         (__glibcxx_rwlock_destroy, __glibcxx_rwlock_init)
 347         (__glibcxx_rwlock_timedrdlock, __glibcxx_rwlock_timedwrlock): Define
 348         weak symbols for POSIX rwlock functions.
 349         (__shared_mutex_pthread): Use weak symbols.
 350         * include/std/version (__cpp_lib_memory_resource): Define.
 351         * src/c++17/memory_resource.cc [_GLIBCXX_HAS_GTHREADS]
 352         (synchronized_pool_resource::_TPools): New class.
 353         (destroy_TPools): New function for pthread_key_create destructor.
 354         (synchronized_pool_resource::synchronized_pool_resource)
 355         (synchronized_pool_resource::~synchronized_pool_resource)
 356         (synchronized_pool_resource::release)
 357         (synchronized_pool_resource::do_allocate)
 358         (synchronized_pool_resource::do_deallocate): Define public members.
 359         (synchronized_pool_resource::_M_thread_specific_pools)
 360         (synchronized_pool_resource::_M_alloc_tpools)
 361         (synchronized_pool_resource::_M_alloc_shared_tpools): Define private
 362         members.
 363         * testsuite/20_util/synchronized_pool_resource/allocate.cc: New test.
 364         * testsuite/20_util/synchronized_pool_resource/cons.cc: New test.
 365         * testsuite/20_util/synchronized_pool_resource/is_equal.cc: New test.
 366         * testsuite/20_util/synchronized_pool_resource/multithreaded.cc: New
 367         test.
 368         * testsuite/20_util/synchronized_pool_resource/release.cc: New test.
 369         * testsuite/performance/20_util/memory_resource/pools.cc: Add
 370         multithreaded tests using pmr::synchronized_pool_resource.
 371
 372 2018-11-16  Renlin Li  <renlin.li@arm.com>
 373             Tejas Belagod  <tejas.belagod@arm.com>
 374
 375         testsuite/lib/libstdc++.exp (check_v3_target_prop_cached): New proc.
 376         (check_v3_target): Use the check_v3_target_prop_cached.
 377
 378 2018-11-15  Jonathan Wakely  <jwakely@redhat.com>
 379
 380         * scripts/check_performance: Allow tests to choose a -std flag.
 381         * src/c++17/memory_resource.cc (bitset::get_first_unset()): Use local
 382         variables of the right types. Call update_next_word() unconditionally.
 383         * testsuite/20_util/unsynchronized_pool_resource/cons.cc: New test.
 384         * testsuite/performance/20_util/memory_resource/pools.cc: New test.
 385         * testsuite/util/testsuite_performance.h (time_counter): Allow
 386         timer to be restarted.
 387
 388         * testsuite/20_util/unsynchronized_pool_resource/allocate.cc: Fix
 389         test for 32-bit targets. Test additional allocation sizes.
 390
 391 2018-11-14  Jonathan Wakely  <jwakely@redhat.com>
 392
 393         * scripts/create_testsuite_files: Add special_functions to the list
 394         of directories to search. Add comment referring to conformance.exp.
 395         * testsuite/libstdc++-dg/conformance.exp: Add comment referring
 396         to create_testsuite_files.
 397
 398 2018-11-13  Jonathan Wakely  <jwakely@redhat.com>
 399
 400         * src/c++17/memory_resource.cc (select_num_pools): Fix off-by-one
 401         error when block_size is equal to one of the values in the array.
 402
 403         * src/c++17/memory_resource.cc (_Pool::deallocate): Restore
 404         attributes to parameters that are only used in assertions.
 405
 406         * src/c++17/memory_resource.cc (bitset::find_first_unset()): Remove
 407         unused function.
 408         (bitset::get_first_unset()): Remove loop, if there's are unset bits
 409         then _M_next_word refers to the first one and there's no need to loop.
 410         (_Pool::_Pool(size_t, size_t), _Pool::block_size()): Remove dead code.
 411
 412         * src/c++17/memory_resource.cc (munge_options): Round up value of
 413         largest_required_pool_block to multiple of smallest pool size. Round
 414         excessively large values down to largest pool size.
 415         (select_num_pools): Increase number of pools by one unless it exactly
 416         matches requested largest_required_pool_block.
 417         (__pool_resource::_M_alloc_pools()): Make largest pool size equal
 418         largest_required_pool_block.
 419         * testsuite/20_util/unsynchronized_pool_resource/options.cc: Check
 420         that pool_options::largest_required_pool_block is set appropriately.
 421
 422         * src/c++17/memory_resource.cc (big_block): Improve comments.
 423         (big_block::all_ones): Remove.
 424         (big_block::big_block(size_t, size_t)): Use alloc_size.
 425         (big_block::size()): Add comment, replace all_ones with equivalent
 426         expression.
 427         (big_block::align()): Shift value of correct type.
 428         (big_block::alloc_size(size_t)): New function to round up size.
 429         (__pool_resource::allocate(size_t, size_t)): Add comment.
 430         (__pool_resource::deallocate(void*, size_t, size_t)): Likewise. Fix
 431         incorrect assertion by using big_block::alloc_size(size_t).
 432         * testsuite/20_util/unsynchronized_pool_resource/allocate.cc: Add
 433         more tests for unpooled allocations.
 434
 435         * src/c++17/memory_resource.cc (bitset::full()): Handle edge case
 436         for _M_next_word maximum value.
 437         (bitset::get_first_unset(), bitset::set(size_type)): Use
 438         update_next_word() to update _M_next_word.
 439         (bitset::update_next_word()): New function, avoiding wraparound of
 440         unsigned _M_next_word member.
 441         (bitset::max_word_index()): New function.
 442         (chunk::chunk(void*, uint32_t, void*, size_t)): Add assertion.
 443         (chunk::max_bytes_per_chunk()): New function.
 444         (pool::replenish(memory_resource*, const pool_options&)): Prevent
 445         _M_blocks_per_chunk from exceeding max_blocks_per_chunk or from
 446         causing chunk::max_bytes_per_chunk() to be exceeded.
 447         * testsuite/20_util/unsynchronized_pool_resource/allocate-max-chunks.cc:
 448         New test.
 449
 450 2018-11-12  Jason Merrill  <jason@redhat.com>
 451
 452         * libsupc++/new (std::destroying_delete_t): New.
 453
 454 2018-11-12  Jonathan Wakely  <jwakely@redhat.com>
 455
 456         PR libstdc++/87963
 457         * src/c++17/memory_resource.cc (chunk::_M_bytes): Change type from
 458         unsigned to uint32_t.
 459         (chunk): Fix static assertion for 64-bit targets that aren't LP64.
 460         (bigblock::all_ones): Fix undefined shift.
 461
 462 2018-11-11  Hans-Peter Nilsson  <hp@axis.com>
 463
 464         PR libstdc++-v3/54005
 465         * include/bits/atomic_base.h (__atomic_base<_TTp>::is_lock_free(),
 466         __atomic_base<_PTp*>::is_lock_free()): Call __atomic_is_lock_free
 467         with the type-derived _S_alignment instead of __alignof the object.
 468         * include/std/atomic (atomic<T>::is_lock_free()): Likewise.
 469
 470 2018-11-11  Jonathan Wakely  <jwakely@redhat.com>
 471
 472         Implement P0318R1 unwrap_ref_decay and unwrap_reference
 473         * include/std/type_traits (unwrap_reference, unwrap_reference_t)
 474         (unwrap_ref_decay, unwrap_ref_decay_t): New traits and aliases.
 475         * testsuite/20_util/unwrap_reference/1.cc: New test.
 476         * testsuite/20_util/unwrap_reference/2.cc: New test.
 477
 478         Implement P1007R3 std::assume_aligned
 479         * include/std/memory (assume_aligned): Implement for C++17.
 480         * testsuite/20_util/assume_aligned/1.cc: New test.
 481         * testsuite/20_util/assume_aligned/2_neg.cc: New test.
 482         * testsuite/20_util/assume_aligned/3.cc: New test.
 483
 484 2018-11-09  Jonathan Wakely  <jwakely@redhat.com>
 485
 486         PR libstdc++/87787
 487         * include/bits/stl_uninitialized.h (__relocate_a_1): Do not call
 488         memmove when there's nothing to copy (and pointers could be null).
 489
 490 2018-11-07  Hafiz Abid Qadeer  <abidh@codesourcery.com>
 491
 492         * configure: Regenerated.
 493
 494 2018-11-07  Jonathan Wakely  <jwakely@redhat.com>
 495
 496         * config/abi/pre/gnu.ver: Fix patterns for size_t parameters.
 497
 498 2018-11-06  Jonathan Wakely  <jwakely@redhat.com>
 499
 500         Implement std::pmr::unsynchronized_pool_resource
 501         * config/abi/pre/gnu.ver: Add new symbols.
 502         * include/std/memory_resource (std::pmr::__pool_resource): New class.
 503         (std::pmr::unsynchronized_pool_resource): New class.
 504         * src/c++17/Makefile.am: Add -fimplicit-templates to flags for
 505         memory_resource.cc
 506         * src/c++17/Makefile.in: Regenerate.
 507         * src/c++17/memory_resource.cc (bitset, chunk, big_block): New
 508         internal classes.
 509         (__pool_resource::_Pool): Define new class.
 510         (munge_options, pool_index, select_num_pools): New internal functions.
 511         (__pool_resource::__pool_resource, __pool_resource::~__pool_resource)
 512         (__pool_resource::allocate, __pool_resource::deallocate)
 513         (__pool_resource::_M_alloc_pools): Define member functions.
 514         (unsynchronized_pool_resource::unsynchronized_pool_resource)
 515         (unsynchronized_pool_resource::~unsynchronized_pool_resource)
 516         (unsynchronized_pool_resource::release)
 517         (unsynchronized_pool_resource::_M_find_pool)
 518         (unsynchronized_pool_resource::do_allocate)
 519         (unsynchronized_pool_resource::do_deallocate): Define member
 520         functions.
 521         * testsuite/20_util/unsynchronized_pool_resource/allocate.cc: New
 522         test.
 523         * testsuite/20_util/unsynchronized_pool_resource/is_equal.cc: New
 524         test.
 525         * testsuite/20_util/unsynchronized_pool_resource/options.cc: New
 526         test.
 527         * testsuite/20_util/unsynchronized_pool_resource/release.cc: New
 528         test.
 529
 530 2018-11-06  John Bytheway  <jbytheway@gmail.com>
 531
 532         PR libstdc++/87872
 533         * include/debug/safe_sequence.tcc
 534         (_Safe_sequence<>::_M_transfer_from_if): Skip transfer to self.
 535
 536 2018-10-31  Joseph Myers  <joseph@codesourcery.com>
 537
 538         PR bootstrap/82856
 539         * Makefile.am: Include multilib.am.
 540         * configure.ac: Remove AC_PREREQ.
 541         * Makefile.in, aclocal.m4, configure, doc/Makefile.in,
 542         include/Makefile.in, libsupc++/Makefile.in, po/Makefile.in,
 543         python/Makefile.in, src/Makefile.in, src/c++11/Makefile.in,
 544         src/c++17/Makefile.in, src/c++98/Makefile.in,
 545         src/filesystem/Makefile.in, testsuite/Makefile.in: Regenerate.
 546
 547 2018-10-31  Jonathan Wakely  <jwakely@redhat.com>
 548
 549         * testsuite/20_util/pair/87822.cc: Test deeper nesting.
 550
 551         PR libstdc++/87822
 552         * include/bits/stl_pair.h (__pair_base): Change to class template.
 553         (pair): Make base class type depend on template parameters.
 554         * testsuite/20_util/pair/87822.cc: New test.
 555
 556 2018-10-30  Marek Polacek  <polacek@redhat.com>
 557
 558         Implement P0892R2, explicit(bool).
 559         * testsuite/20_util/any/cons/explicit.cc: Adjust dg-error.
 560         * testsuite/20_util/pair/cons/explicit_construct.cc: Likewise.
 561         * testsuite/20_util/tuple/cons/explicit_construct.cc: Likewise.
 562
 563 2018-10-30  Jonathan Wakely  <jwakely@redhat.com>
 564
 565         PR libstdc++/87809
 566         * include/bits/forward_list.h (_Fwd_list_impl::_Fwd_list_impl()): Use
 567         trait in exception-specification instead of possibly invalid
 568         expression.
 569         * include/bits/stl_bvector.h (_Bvector_impl::_Bvector_impl()):
 570         Likewise.
 571         * include/bits/stl_list.h (_List_impl::_List_impl()): Likewise.
 572         * include/bits/stl_vector.h (_Vector_impl::_Vector_impl()): Likewise.
 573         * testsuite/23_containers/forward_list/cons/87809.cc: New test.
 574         * testsuite/23_containers/list/cons/87809.cc: New test.
 575         * testsuite/23_containers/vector/bool/cons/87809.cc: New test.
 576         * testsuite/23_containers/vector/cons/87809.cc: New test.
 577
 578         PR libstdc++/87784
 579         * include/tr2/dynamic_bitset (dynamic_bitset::push_back): When there
 580         are no unused bits in the last block, append a new block with the
 581         right value so the bit doesn't need to be set. Only increment size
 582         after setting the new bit, not before.
 583         * testsuite/tr2/dynamic_bitset/pr87784.cc: New test.
 584
 585 2018-10-29  David Malcolm  <dmalcolm@redhat.com>
 586
 587         * testsuite/17_intro/using_namespace_std_exp_neg.cc: Remove
 588         "expected namespace-name before" error.
 589         * testsuite/17_intro/using_namespace_std_tr1_neg.cc: Likewise.
 590
 591 2018-10-28  François Dumont  <fdumont@gcc.gnu.org>
 592
 593         * testsuite/23_containers/deque/48101_neg.cc: Remove dg-prune-output
 594         'std' from regex pattern for versioned namespace compatibility.
 595         * testsuite/23_containers/vector/48101_neg.cc: Likewise.
 596         * testsuite/27_io/filesystem/path/io/dr2989.cc: Likewise.
 597
 598 2018-10-25  Jonathan Wakely  <jwakely@redhat.com>
 599
 600         PR libstdc++/87749
 601         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
 602         (basic_string::operator=(basic_string&&)): For short strings copy the
 603         buffer inline. Only fall back to using assign(const basic_string&) to
 604         do a deep copy when reallocation is needed.
 605         * testsuite/21_strings/basic_string/modifiers/assign/char/87749.cc:
 606         New test.
 607         * testsuite/21_strings/basic_string/modifiers/assign/char/
 608         move_assign_optim.cc: New test.
 609         * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/87749.cc:
 610         New test.
 611         * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
 612         move_assign_optim.cc: New test.
 613
 614 2018-10-25  Marc Glisse  <marc.glisse@inria.fr>
 615
 616         PR libstdc++/87106
 617         * include/bits/alloc_traits.h (_S_construct, _S_destroy, construct,
 618         destroy): Add noexcept specification.
 619         * include/bits/allocator.h (construct, destroy): Likewise.
 620         * include/ext/alloc_traits.h (construct, destroy): Likewise.
 621         * include/ext/malloc_allocator.h (construct, destroy): Likewise.
 622         * include/ext/new_allocator.h (construct, destroy): Likewise.
 623         * include/bits/stl_uninitialized.h (__relocate_object_a, __relocate_a,
 624         __relocate_a_1): New functions.
 625         (__is_trivially_relocatable): New class.
 626         * include/bits/stl_vector.h (__use_relocate): New static member.
 627         * include/bits/vector.tcc (reserve, _M_realloc_insert,
 628         _M_default_append): Use __relocate_a.
 629         (reserve, _M_assign_aux, _M_realloc_insert, _M_fill_insert,
 630         _M_default_append, _M_range_insert): Move _GLIBCXX_ASAN_ANNOTATE_REINIT
 631         after _Destroy.
 632         * testsuite/23_containers/vector/modifiers/push_back/49836.cc:
 633         Replace CopyConsOnlyType with DelAnyAssign.
 634
 635 2018-10-24  François Dumont  <fdumont@gcc.gnu.org>
 636
 637         * include/debug/safe_unordered_container.h
 638         (_Safe_unordered_container<>::_M_invalidate_locals): Take lambda
 639         parameter type from local end variable.
 640         (_Safe_unordered_container<>::_M_invalidate_all): Likewise.
 641         * include/debug/unordered_map
 642         (unordered_map<>::begin()): Use C++11 direct initialization.
 643         (unordered_map<>::end()): Likewise.
 644         (unordered_map<>::cbegin()): Likewise.
 645         (unordered_map<>::cend()): Likewise.
 646         (unordered_map<>::begin(size_type)): Likewise.
 647         (unordered_map<>::end(size_type)): Likewise.
 648         (unordered_map<>::cbegin(size_type)): Likewise.
 649         (unordered_map<>::cend(size_type)): Likewise.
 650         (unordered_map<>::emplace<>(_Args&&...)): Likewise.
 651         (unordered_map<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 652         (unordered_map<>::insert(const value_type&)): Likewise.
 653         (unordered_map<>::insert(value_type&&)): Likewise.
 654         (unordered_map<>::insert<>(_Pair&&)): Likewise.
 655         (unordered_map<>::insert(const_iterator, const value_type&)): Likewise.
 656         (unordered_map<>::insert(const_iterator, value_type&&)): Likewise.
 657         (unordered_map<>::insert<>(const_iterator, _Pair&&)): Likewise.
 658         (unordered_map<>::try_emplace<>(const key_type&, _Args&&...)): Likewise.
 659         (unordered_map<>::try_emplace<>(key_type&&, _Args&&...)): Likewise.
 660         (unordered_map<>::try_emplace<>(const_iterator, const key_type&,
 661         _Args&&...)): Likewise.
 662         (unordered_map<>::try_emplace<>(const_iterator, key_type&&,
 663         _Args&&...)): Likewise.
 664         (unordered_map<>::insert_or_assign<>(const key_type&, _Obj&&)): Likewise.
 665         (unordered_map<>::insert_or_assign<>(key_type&&, _Obj&&)): Likewise.
 666         (unordered_map<>::insert_or_assign<>(const_iterator, const key_type&,
 667         _Obj&&)): Likewise.
 668         (unordered_map<>::insert_or_assign<>(const_iterator, key_type&&,
 669         _Obj&&)): Likewise.
 670         (unordered_map<>::insert(note_type&&)): Likewise.
 671         (unordered_map<>::find(const key_type&)): Likewise.
 672         (unordered_map<>::equal_range(const key_type&)): Likewise.
 673         (unordered_map<>::_M_extract): New.
 674         (unordered_map<>::extract(const_iterator)): Use latter.
 675         (unordered_map<>::extract(const key_type&)): Likewise.
 676         (unordered_map<>::_M_erase): New.
 677         (unordered_map<>::erase(const key_type&)): Use latter.
 678         (unordered_map<>::erase(const_iterator)): Likewise.
 679         (unordered_map<>::erase(iterator)): Likewise.
 680         (unordered_map<>::_M_invalidate): New.
 681         (unordered_map<>::erase(const_iterator, const_iterator)): Use latter.
 682         (unordered_multimap<>::begin()): Use C++11 direct initialization.
 683         (unordered_multimap<>::end()): Likewise.
 684         (unordered_multimap<>::cbegin()): Likewise.
 685         (unordered_multimap<>::cend()): Likewise.
 686         (unordered_multimap<>::begin(size_type)): Likewise.
 687         (unordered_multimap<>::end(size_type)): Likewise.
 688         (unordered_multimap<>::cbegin(size_type)): Likewise.
 689         (unordered_multimap<>::cend(size_type)): Likewise.
 690         (unordered_multimap<>::emplace<>(_Args&&...)): Likewise.
 691         (unordered_multimap<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 692         (unordered_multimap<>::insert(const value_type&)): Likewise.
 693         (unordered_multimap<>::insert(const_iterator, const value_type&)): Likewise.
 694         (unordered_multimap<>::insert(const_iterator, value_type&&)): Likewise.
 695         (unordered_multimap<>::insert<>(_Pair&&)): Likewise.
 696         (unordered_multimap<>::insert<>(const_iterator, _Pair&&)): Likewise.
 697         (unordered_multimap<>::insert(note_type&&)): Likewise.
 698         (unordered_multimap<>::insert(const_iterator, note_type&&)): Likewise.
 699         (unordered_multimap<>::find(const key_type&)): Likewise.
 700         (unordered_multimap<>::equal_range(const key_type&)): Likewise.
 701         (unordered_multimap<>::_M_extract): New.
 702         (unordered_multimap<>::extract(const_iterator)): Use latter.
 703         (unordered_multimap<>::extract(const key_type&)): Likewise.
 704         (unordered_multimap<>::_M_erase): New.
 705         (unordered_multimap<>::erase(const_iterator)): Likewise.
 706         (unordered_multimap<>::erase(iterator)): Likewise.
 707         (unordered_multimap<>::_M_invalidate): New.
 708         (unordered_multimap<>::erase(const key_type&)): Use latter.
 709         (unordered_multimap<>::erase(const_iterator, const_iterator)): Likewise.
 710         * include/debug/unordered_set
 711         (unordered_set<>::begin()): Use C++11 direct initialization.
 712         (unordered_set<>::end()): Likewise.
 713         (unordered_set<>::cbegin()): Likewise.
 714         (unordered_set<>::cend()): Likewise.
 715         (unordered_set<>::begin(size_type)): Likewise.
 716         (unordered_set<>::end(size_type)): Likewise.
 717         (unordered_set<>::cbegin(size_type)): Likewise.
 718         (unordered_set<>::cend(size_type)): Likewise.
 719         (unordered_set<>::emplace<>(_Args&&...)): Likewise.
 720         (unordered_set<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 721         (unordered_set<>::insert(const value_type&)): Likewise.
 722         (unordered_set<>::insert(value_type&&)): Likewise.
 723         (unordered_set<>::insert(const_iterator, const value_type&)): Likewise.
 724         (unordered_set<>::insert(const_iterator, value_type&&)): Likewise.
 725         (unordered_set<>::insert(note_type&&)): Likewise.
 726         (unordered_set<>::insert(const_iterator, note_type&&)): Likewise.
 727         (unordered_set<>::find(const key_type&)): Likewise.
 728         (unordered_set<>::equal_range(const key_type&)): Likewise.
 729         (unordered_set<>::_M_extract): New.
 730         (unordered_set<>::extract(const_iterator)): Use latter.
 731         (unordered_set<>::extract(const key_type&)): Likewise.
 732         (unordered_set<>::_M_erase): New.
 733         (unordered_set<>::erase(const key_type&)): Use latter.
 734         (unordered_set<>::erase(const_iterator)): Likewise.
 735         (unordered_set<>::erase(iterator)): Likewise.
 736         (unordered_set<>::_M_invalidate): New.
 737         (unordered_set<>::erase(const_iterator, const_iterator)): Use latter.
 738         (unordered_multiset<>::begin()): Use C++11 direct initialization.
 739         (unordered_multiset<>::end()): Likewise.
 740         (unordered_multiset<>::cbegin()): Likewise.
 741         (unordered_multiset<>::cend()): Likewise.
 742         (unordered_multiset<>::begin(size_type)): Likewise.
 743         (unordered_multiset<>::end(size_type)): Likewise.
 744         (unordered_multiset<>::cbegin(size_type)): Likewise.
 745         (unordered_multiset<>::cend(size_type)): Likewise.
 746         (unordered_multiset<>::emplace<>(_Args&&...)): Likewise.
 747         (unordered_multiset<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 748         (unordered_multiset<>::insert(const value_type&)): Likewise.
 749         (unordered_multiset<>::insert(const_iterator, const value_type&)): Likewise.
 750         (unordered_multiset<>::insert(value_type&&)): Likewise.
 751         (unordered_multiset<>::insert(const_iterator, value_type&&)): Likewise.
 752         (unordered_multiset<>::insert(node_type&&)): Likewise.
 753         (unordered_multiset<>::insert(const_iterator, node_type&&)): Likewise.
 754         (unordered_multiset<>::find(const key_type&)): Likewise.
 755         (unordered_multiset<>::equal_range(const key_type&)): Likewise.
 756         (unordered_multiset<>::_M_extract): New.
 757         (unordered_multiset<>::extract(const_iterator)): Use latter.
 758         (unordered_multiset<>::extract(const key_type&)): Likewise.
 759         (unordered_multiset<>::_M_erase): New.
 760         (unordered_multiset<>::erase(const_iterator)): Likewise.
 761         (unordered_multiset<>::erase(iterator)): Likewise.
 762         (unordered_multiset<>::_M_invalidate): New.
 763         (unordered_multiset<>::erase(const key_type&)): Use latter.
 764         (unordered_multiset<>::erase(const_iterator, const_iterator)): Likewise.
 765
 766         * include/c_global/cstddef: Add versioned namespace.
 767
 768 2018-10-23  Jonathan Wakely  <jwakely@redhat.com>
 769
 770         PR libstdc++/87704
 771         * include/bits/unique_ptr.h (unique_ptr::unique_ptr(nullptr_t)): Do
 772         not delegate to default constructor.
 773         (unique_ptr<T[], D>::unique_ptr(nullptr_t)): Likewise.
 774         * testsuite/20_util/unique_ptr/cons/incomplete.cc: New test.
 775
 776 2018-10-20  François Dumont  <fdumont@gcc.gnu.org>
 777
 778         * testsuite/util/testsuite_containers.h
 779         (forward_members_unordered<>::forward_members_unordered
 780         (const value_type&)): Add local_iterator pre and post increment checks.
 781         * config/abi/pre/gnu.ver: Add GLIBCXX_3.4.26 new symbol.
 782
 783 2018-10-19  Jonathan Wakely  <jwakely@redhat.com>
 784
 785         * testsuite/23_containers/array/requirements/explicit_instantiation/
 786         3.cc: Skip test when compiled with a -std=c++NN strict mode.
 787         * testsuite/23_containers/deque/requirements/explicit_instantiation/
 788         3.cc: Likewise.
 789         * testsuite/23_containers/forward_list/requirements/
 790         explicit_instantiation/3.cc: Likewise.
 791         * testsuite/23_containers/list/requirements/explicit_instantiation/
 792         3.cc: Likewise.
 793         * testsuite/23_containers/map/requirements/explicit_instantiation/
 794         3.cc: Likewise.
 795         * testsuite/23_containers/multimap/requirements/explicit_instantiation/
 796         3.cc: Likewise.
 797         * testsuite/23_containers/multiset/requirements/explicit_instantiation/
 798         3.cc: Likewise.
 799         * testsuite/23_containers/set/requirements/explicit_instantiation/
 800         3.cc: Likewise.
 801         * testsuite/23_containers/unordered_map/requirements/
 802         explicit_instantiation/3.cc: Likewise.
 803         * testsuite/23_containers/unordered_multimap/requirements/
 804         explicit_instantiation/3.cc: Likewise.
 805         * testsuite/23_containers/unordered_multiset/requirements/
 806         explicit_instantiation/3.cc: Likewise.
 807         * testsuite/23_containers/unordered_set/requirements/
 808         explicit_instantiation/3.cc: Likewise.
 809         * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
 810         3.cc: Likewise.
 811         * testsuite/23_containers/vector/requirements/explicit_instantiation/
 812         3.cc: Likewise.
 813
 814         * testsuite/23_containers/deque/48101_neg.cc: Prune additional errors
 815         printed when __STRICT_ANSI__ is defined.
 816         * testsuite/23_containers/forward_list/48101_neg.cc: Likewise.
 817         * testsuite/23_containers/list/48101_neg.cc: Likewise.
 818         * testsuite/23_containers/multiset/48101_neg.cc: Likewise.
 819         * testsuite/23_containers/set/48101_neg.cc: Likewise.
 820         * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
 821         * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
 822         * testsuite/23_containers/vector/48101_neg.cc: Likewise.
 823
 824         * testsuite/23_containers/forward_list/requirements/
 825         explicit_instantiation/5.cc [__STRICT_ANSI__]: Don't test non-standard
 826         extension.
 827         * testsuite/23_containers/list/requirements/explicit_instantiation/
 828         5.cc [__STRICT_ANSI__]: Likewise.
 829         * testsuite/23_containers/map/requirements/explicit_instantiation/5.cc
 830         [__STRICT_ANSI__]: Likewise.
 831         * testsuite/23_containers/multimap/requirements/explicit_instantiation/
 832         5.cc [__STRICT_ANSI__]: Likewise.
 833         * testsuite/23_containers/multiset/requirements/explicit_instantiation/
 834         5.cc [__STRICT_ANSI__]: Likewise.
 835         * testsuite/23_containers/set/requirements/explicit_instantiation/5.cc
 836         [__STRICT_ANSI__]: Likewise.
 837         * testsuite/23_containers/unordered_map/requirements/debug_container.cc
 838         [__STRICT_ANSI__]: Likewise.
 839         * testsuite/23_containers/unordered_map/requirements/
 840         explicit_instantiation/5.cc [__STRICT_ANSI__]: Likewise.
 841         * testsuite/23_containers/unordered_multimap/requirements/
 842         explicit_instantiation/5.cc [__STRICT_ANSI__]: Likewise.
 843         * testsuite/23_containers/unordered_multiset/requirements/
 844         explicit_instantiation/5.cc [__STRICT_ANSI__]: Likewise.
 845         * testsuite/23_containers/unordered_set/requirements/
 846         explicit_instantiation/5.cc [__STRICT_ANSI__]: Likewise.
 847
 848         * testsuite/20_util/scoped_allocator/1.cc: Use allocator with correct
 849         value type for the container.
 850         * testsuite/23_containers/forward_list/cons/14.cc: Likewise.
 851         * testsuite/23_containers/map/56613.cc: Likewise.
 852         * testsuite/23_containers/unordered_map/55043.cc: Likewise.
 853         * testsuite/23_containers/unordered_map/allocator/copy.cc: Likewise.
 854         * testsuite/23_containers/unordered_map/allocator/copy_assign.cc:
 855         Likewise.
 856         * testsuite/23_containers/unordered_map/allocator/minimal.cc:
 857         Likewise.
 858         * testsuite/23_containers/unordered_map/allocator/move.cc: Likewise.
 859         * testsuite/23_containers/unordered_map/allocator/move_assign.cc:
 860         Likewise.
 861         * testsuite/23_containers/unordered_map/allocator/noexcept.cc:
 862         Likewise.
 863         * testsuite/23_containers/unordered_map/cons/81891.cc: Likewise.
 864         * testsuite/23_containers/unordered_map/requirements/exception/
 865         basic.cc: Likewise.
 866         * testsuite/23_containers/unordered_map/requirements/exception/
 867         generation_prohibited.cc: Likewise.
 868         * testsuite/23_containers/unordered_map/requirements/exception/
 869         propagation_consistent.cc: Likewise.
 870         * testsuite/23_containers/unordered_multimap/55043.cc: Likewise.
 871         * testsuite/23_containers/unordered_multimap/allocator/copy.cc:
 872         Likewise.
 873         * testsuite/23_containers/unordered_multimap/allocator/copy_assign.cc:
 874         Likewise.
 875         * testsuite/23_containers/unordered_multimap/allocator/minimal.cc:
 876         Likewise.
 877         * testsuite/23_containers/unordered_multimap/allocator/move.cc:
 878         Likewise.
 879         * testsuite/23_containers/unordered_multimap/allocator/move_assign.cc:
 880         Likewise.
 881         * testsuite/23_containers/unordered_multimap/allocator/noexcept.cc:
 882         Likewise.
 883         * testsuite/23_containers/unordered_multimap/requirements/exception/
 884         basic.cc: Likewise.
 885         * testsuite/23_containers/unordered_multimap/requirements/exception/
 886         generation_prohibited.cc: Likewise.
 887         * testsuite/23_containers/unordered_multimap/requirements/exception/
 888         propagation_consistent.cc: Likewise.
 889         * testsuite/23_containers/unordered_multimap/requirements/
 890         explicit_instantiation/5.cc: Likewise.
 891         * testsuite/ext/malloc_allocator/sanity.cc: Likewise.
 892
 893         * ext/special_functions/airy_ai/check_nan.cc: Skip test for
 894         non-standard extension when a strict -std=c++NN dialect is used.
 895         * ext/special_functions/airy_ai/check_value.cc: Likewise.
 896         * ext/special_functions/airy_ai/compile.cc: Likewise.
 897         * ext/special_functions/airy_bi/check_nan.cc: Likewise.
 898         * ext/special_functions/airy_bi/check_value.cc: Likewise.
 899         * ext/special_functions/airy_bi/compile.cc: Likewise.
 900         * ext/special_functions/conf_hyperg/check_nan.cc: Likewise.
 901         * ext/special_functions/conf_hyperg/check_value.cc: Likewise.
 902         * ext/special_functions/conf_hyperg/compile.cc: Likewise.
 903         * ext/special_functions/hyperg/check_nan.cc: Likewise.
 904         * ext/special_functions/hyperg/check_value.cc: Likewise.
 905         * ext/special_functions/hyperg/compile.cc: Likewise.
 906
 907         * testsuite/23_containers/list/requirements/explicit_instantiation/
 908         5_c++0x.cc: Remove redundant test that is functionally identical to
 909         the 5.cc test.
 910         * testsuite/23_containers/map/requirements/explicit_instantiation/
 911         5_c++0x.cc: Likewise.
 912         * testsuite/23_containers/multimap/requirements/explicit_instantiation/
 913         5_c++0x.cc: Likewise.
 914         * testsuite/23_containers/multiset/requirements/explicit_instantiation/
 915         5_c++0x.cc: Likewise.
 916         * testsuite/23_containers/set/requirements/explicit_instantiation/
 917         5_c++0x.cc: Likewise.
 918
 919         * include/bits/regex_executor.tcc (_Backref_matcher::_M_apply): Use
 920         _GLIBCXX_STD_A to refer to normal mode algorithms.
 921         * testsuite/28_regex/headers/regex/parallel_mode.cc: New test.
 922         * testsuite/28_regex/headers/regex/std_c++0x_neg.cc: Remove empty
 923         whitespace.
 924
 925         * include/debug/map.h (map::erase(iterator)): Add abi-tag so that
 926         C++11 version mangles differently from incompatible C++98 version.
 927         * include/debug/multimap.h (multimap::erase(iterator)): Likewise.
 928         * include/debug/multiset.h (multiset::erase(iterator))
 929         (multiset::erase(const_iterator, const_iterator)): Likewise.
 930         * include/debug/set.h (set::erase(iterator))
 931         (multiset::erase(const_iterator, const_iterator)): Likewise.
 932
 933 2018-10-18  Jonathan Wakely  <jwakely@redhat.com>
 934
 935         * testsuite/20_util/duration/cons/2.cc: Add -ffloat-store to fix
 936         failure when compiled without optimisation.
 937         * testsuite/ext/profile/mutex_extensions_neg.cc: Prune additional
 938         errors caused by C++17 std::pmr alias templates.
 939
 940         PR libstdc++/87642
 941         * config/locale/gnu/monetary_members.cc
 942         (moneypunct<char, true>::_M_initialize_moneypunct): Use
 943         __narrow_multibyte_chars to convert multibyte thousands separators
 944         to a single char.
 945         * config/locale/gnu/numeric_members.cc
 946         (numpunct<char>::_M_initialize_numpunct): Likewise.
 947         (__narrow_multibyte_chars): New function.
 948
 949         PR libstdc++/87641
 950         * include/bits/valarray_array.h (__valarray_sum): Use first element
 951         to initialize accumulator instead of value-initializing it.
 952         (__valarray_product<_Tp>): Move to ...
 953         * src/c++98/valarray.cc (__valarray_product<_Tp>): Here. Use first
 954         element to initialize accumulator.
 955         (__valarray_product(const valarray<size_t>&)): Remove const_cast made
 956         unnecessary by LWG 389.
 957         * testsuite/26_numerics/valarray/87641.cc: New test.
 958
 959 2018-10-18  François Dumont  <fdumont@gcc.gnu.org>
 960
 961         Partial revert.
 962         2018-10-08  François Dumont  <fdumont@gcc.gnu.org>
 963
 964         * include/debug/list (list<>::cbegin()): Use C++11 direct
 965         initialization.
 966         (list<>::cend()): Likewise.
 967         (list<>::erase(const_iterator, const_iterator)): Ensure consistent
 968         iterator comparisons.
 969         (list<>::splice(const_iterator, list&&, const_iterator,
 970         const_iterator)): Likewise.
 971
 972         Partial revert.
 973         2018-10-15  François Dumont  <fdumont@gcc.gnu.org>
 974
 975         * include/debug/vector (vector<>::cbegin()): Use C++11 direct
 976         initialization.
 977         (vector<>::cend()): Likewise.
 978         (vector<>::insert(const_iterator, const _Tp&)): Use consistent
 979         iterator comparison.
 980         (vector<>::erase(const_iterator)): Likewise.
 981         (vector<>::erase(const_iterator, const_iterator)): Likewise.
 982
 983 2018-10-17  Ville Voutilainen  <ville.voutilainen@gmail.com>
 984
 985         PR libstdc++/87619
 986         * include/std/variant (__select_index): Fix an off-by-one.
 987         * testsuite/20_util/variant/87619.cc: New.
 988
 989 2018-10-16  Jonathan Wakely  <jwakely@redhat.com>
 990
 991         * include/bits/random.h (random_device) [!_GLIBCXX_USE_DEV_RANDOM]:
 992         Fix default constructor to call correct function.
 993
 994         * testsuite/experimental/net/internet/address/v4/creation.cc: Do not
 995         declare ip in global namespace, to avoid collision with struct ip
 996         defined in <netinet/ip.h>.
 997
 998         * include/experimental/bits/net.h: Move versioned namespace macros
 999         to correct location.
1000         * include/experimental/buffer: Likewise.
1001         * include/experimental/executor: Likewise.
1002         * include/experimental/internet: Likewise.
1003         * include/experimental/io_context: Likewise.
1004         * include/experimental/netfwd: Likewise.
1005         * include/experimental/socket: Likewise.
1006         * include/experimental/timer: Likewise.
1007
1008         * config.h.in: Regenerate.
1009         * configure: Regenerate.
1010         * configure.ac: Check for headers used by Networking TS.
1011         * include/experimental/executor: Include <condition_variable>
1012         instead of <mutex>.
1013         * include/experimental/internet: Use autoconf macros for available
1014         headers.  Include <sys/socket.h> for.  Remove <cstring> and use
1015         __builtin_memcpy and __builtin_strchr.
1016         (resolver_errc) [!_GLIBCXX_HAVE_NETDB_H]: Do not define.
1017         (address_v4::to_string, address_v6::to_string)
1018         [!_GLIBCXX_HAVE_ARPA_INET_H]: Likewise.
1019         (basic_resolver_results) [!_GLIBCXX_HAVE_NETDB_H]: Make private
1020         constructors report errors.
1021         [!_GLIBCXX_HAVE_NETINET_TCP_H] (tcp::no_delay): Do not define.
1022         * include/experimental/io_context: Likewise.
1023         * include/experimental/socket: Likewise.
1024         [!_GLIBCXX_HAVE_SYS_SOCKET_H, !_GLIBCXX_HAVE_POLL_H] (socket_base): Do
1025         not define nested types when relevant header not available.
1026         (__socket_impl::native_non_blocking) [!_GLIBCXX_HAVE_FCNTL_H]: Report
1027         an error.
1028         (__basic_socket_impl::open, __basic_socket_impl::local_endpoint)
1029         (__basic_socket_impl::bind) [!_GLIBCXX_HAVE_SYS_SOCKET_H]: Likewise.
1030         (__basic_socket_impl::io_control) [!_GLIBCXX_HAVE_SYS_IOCTL_H]:
1031         Likewise.
1032         (basic_socket::at_mark, basic_socket::shutdown)
1033         (basic_socket::remote_endpoint, basic_socket::connect)
1034         (basic_socket::async_connect) [!_GLIBCXX_HAVE_SYS_SOCKET_H]: Likewise.
1035         (basic_socket::available) [_GLIBCXX_HAVE_SYS_IOCTL_H]: Check macro
1036         for <sys/ioctl.h> availability.
1037         (basic_socket::wait) [!_GLIBCXX_HAVE_POLL_H]: Likewise.
1038         (basic_datagram_socket::receive, basic_datagram_socket::async_receive)
1039         (basic_datagram_socket::receive_from)
1040         (basic_datagram_socket::async_receive_from)
1041         (basic_datagram_socket::send, basic_datagram_socket::async_send)
1042         (basic_datagram_socket::send_to, basic_datagram_socket::async_send_to)
1043         [!_GLIBCXX_HAVE_SYS_SOCKET_H]: Likewise.
1044         (basic_stream_socket::receive, basic_stream_socket::async_receive)
1045         (basic_stream_socket::send, basic_stream_socket::async_send)
1046         [!_GLIBCXX_HAVE_SYS_SOCKET_H]: Likewise.
1047         (basic_socket_acceptor::listen, basic_socket_acceptor::accept)
1048         (basic_socket_acceptor::async_accept) [!_GLIBCXX_HAVE_SYS_SOCKET_H]:
1049         Likewise.
1050         (basic_socket_acceptor::wait) [!_GLIBCXX_HAVE_POLL_H]: Likewise.
1051
1052         * testsuite/experimental/net/headers.cc: Remove dg-options.
1053         * testsuite/experimental/net/buffer/arithmetic.cc: Replace dg-options
1054         with dg-do using effective target.
1055         * testsuite/experimental/net/buffer/const.cc: Likewise.
1056         * testsuite/experimental/net/buffer/creation.cc: Likewise.
1057         * testsuite/experimental/net/buffer/mutable.cc: Likewise.
1058         * testsuite/experimental/net/buffer/size.cc: Likewise.
1059         * testsuite/experimental/net/buffer/traits.cc: Likewise.
1060         * testsuite/experimental/net/execution_context/use_service.cc:
1061         Likewise.
1062         * testsuite/experimental/net/internet/address/v4/comparisons.cc:
1063         Likewise.
1064         * testsuite/experimental/net/internet/address/v4/cons.cc: Likewise.
1065         * testsuite/experimental/net/internet/address/v4/creation.cc:
1066         Likewise.
1067         * testsuite/experimental/net/internet/address/v4/members.cc: Likewise.
1068         * testsuite/experimental/net/internet/resolver/base.cc: Likewise.
1069         * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
1070         Likewise.
1071         * testsuite/experimental/net/internet/resolver/ops/reverse.cc:
1072         Likewise.
1073         * testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
1074         * testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
1075         * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
1076
1077         * include/experimental/socket (basic_socket::at_mark): Add missing
1078         return.
1079
1080         * acinclude.m4 (GLIBCXX_CHECK_RANDOM_TR1): Replace with ...
1081         (GLIBCXX_CHECK_DEV_RANDOM): New macro with more descriptive name.
1082         Define _GLIBCXX_USE_DEV_RANDOM as well as _GLIBCXX_USE_RANDOM_TR1.
1083         * config.h.in: Regenerate.
1084         * configure: Regenerate.
1085         * configure.ac: Use GLIBCXX_CHECK_DEV_RANDOM instead of
1086         GLIBCXX_CHECK_RANDOM_TR1.
1087         crossconfig.m4: Likewise.
1088         * include/bits/random.h (random_device): Use _GLIBCXX_USE_DEV_RANDOM
1089         instead of _GLIBCXX_USE_RANDOM_TR1.
1090         * testsuite/26_numerics/random/random_device/cons/token.cc: Likewise.
1091
1092 2018-10-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1093
1094         * testsuite/lib/dg-options.exp (add_options_for_net_ts): New proc.
1095         * testsuite/experimental/net/internet/address/v4/comparisons.cc:
1096         Add dg-add-options net_ts.
1097         * testsuite/experimental/net/internet/address/v4/cons.cc: Likewise.
1098         * testsuite/experimental/net/internet/address/v4/creation.cc: Likewise.
1099         * testsuite/experimental/net/internet/address/v4/members.cc: Likewise.
1100         * testsuite/experimental/net/internet/resolver/base.cc: Likewise.
1101         * testsuite/experimental/net/internet/resolver/ops/lookup.cc: Likewise.
1102         * testsuite/experimental/net/internet/resolver/ops/reverse.cc: Likewise.
1103
1104 2018-10-16  Jonathan Wakely  <jwakely@redhat.com>
1105
1106         * testsuite/20_util/duration/literals/range_neg.cc: Adjust pruned
1107         diagnostic to account for quotes around 'constexpr'.
1108         * testsuite/23_containers/deque/capacity/max_size.cc: Define static
1109         variable.
1110         * testsuite/23_containers/vector/capacity/max_size.cc: Likewise.
1111
1112         PR libstdc++/87618
1113         * config/abi/pre/gnu.ver: Fix typos in patterns for basic_stringbuf.
1114         * testsuite/27_io/basic_stringbuf/cons/char/default.cc: Disable
1115         optimisation to check constructor definition can be linked to.
1116         * testsuite/27_io/basic_stringbuf/cons/wchar_t/default.cc: Likewise.
1117
1118 2018-10-15  Jonathan Wakely  <jwakely@redhat.com>
1119
1120         * testsuite/22_locale/numpunct/members/char/3.cc: Adjust test to
1121         account for change to glibc it_IT localedata (glibc bz#10797).
1122
1123         PR libstdc++/87587
1124         * src/c++11/cxx11-shim_facets.cc: Suppress -Wabi warnings.
1125
1126 2018-10-15  François Dumont  <fdumont@gcc.gnu.org>
1127
1128         * include/debug/vector (vector<>::cbegin()): Use C++11 direct
1129         initialization.
1130         (vector<>::cend()): Likewise.
1131         (vector<>::emplace(const_iterator, _Args&&...)): Likewise and use
1132         consistent iterator comparison.
1133         (vector<>::insert(const_iterator, size_type, const _Tp&)): Likewise.
1134         (vector<>::insert(const_iterator, _InputIterator, _InputIterator)):
1135         Likewise.
1136         (vector<>::erase(const_iterator)): Likewise.
1137         (vector<>::erase(const_iterator, const_iterator)): Likewise.
1138
1139 2018-10-12  Jonathan Wakely  <jwakely@redhat.com>
1140
1141         Initial commit of Networking TS implementation.
1142         * include/Makefile.am: Add new headers.
1143         * include/Makefile.in: Regenerate.
1144         * include/experimental/bits/net.h: New header for common
1145         implementation details of Networking TS.
1146         * include/experimental/buffer: New header.
1147         * include/experimental/executor: New header.
1148         * include/experimental/internet: New header.
1149         * include/experimental/io_context: New header.
1150         * include/experimental/net: New header.
1151         * include/experimental/netfwd: New header.
1152         * include/experimental/socket: New header.
1153         * include/experimental/timer: New header.
1154         * testsuite/experimental/net/buffer/arithmetic.cc: New test.
1155         * testsuite/experimental/net/buffer/const.cc: New test.
1156         * testsuite/experimental/net/buffer/creation.cc: New test.
1157         * testsuite/experimental/net/buffer/mutable.cc: New test.
1158         * testsuite/experimental/net/buffer/size.cc: New test.
1159         * testsuite/experimental/net/buffer/traits.cc: New test.
1160         * testsuite/experimental/net/execution_context/use_service.cc: New
1161         test.
1162         * testsuite/experimental/net/headers.cc: New test.
1163         * testsuite/experimental/net/internet/address/v4/comparisons.cc: New
1164         test.
1165         * testsuite/experimental/net/internet/address/v4/cons.cc: New test.
1166         * testsuite/experimental/net/internet/address/v4/creation.cc: New
1167         test.
1168         * testsuite/experimental/net/internet/address/v4/members.cc: New
1169         test.
1170         * testsuite/experimental/net/internet/resolver/base.cc: New test.
1171         * testsuite/experimental/net/internet/resolver/ops/lookup.cc: New
1172         test.
1173         * testsuite/experimental/net/internet/resolver/ops/reverse.cc: New
1174         test.
1175         * testsuite/experimental/net/timer/waitable/cons.cc: New test.
1176         * testsuite/experimental/net/timer/waitable/dest.cc: New test.
1177         * testsuite/experimental/net/timer/waitable/ops.cc: New test.
1178
1179         PR libstdc++/77691
1180         * include/experimental/memory_resource (__resource_adaptor_imp): Do
1181         not allocate sizes smaller than alignment when relying on guaranteed
1182         alignment.
1183         * testsuite/experimental/memory_resource/new_delete_resource.cc:
1184         Adjust expected number of bytes allocated for alignof(max_align_t).
1185
1186 2018-10-11  François Dumont  <fdumont@gcc.gnu.org>
1187
1188         * include/debug/forward_list
1189         (forward_list<>::before_begin()): Use C++11 direct initialization.
1190         (forward_list<>::begin()): Likewise.
1191         (forward_list<>::end()): Likewise.
1192         (forward_list<>::cbefore_begin()): Likewise.
1193         (forward_list<>::cbegin()): Likewise.
1194         (forward_list<>::cend()): Likewise.
1195         (forward_list<>::emplace_after<>(const_iterator, _Args&&...)): Likewise.
1196         (forward_list<>::insert_after(const_iterator, const _Tp&)): Likewise.
1197         (forward_list<>::insert_after(const_iterator, _Tp&&)): Likewise.
1198         (forward_list<>::insert_after(const_iterator, size_type, const _Tp&)):
1199         Likewise.
1200         (forward_list<>::insert_after(const_iterator, initializer_list<>)):
1201         Likewise.
1202         (forward_list<>::erase_after(const_iterator)): Likewise.
1203         (forward_list<>::erase_after(const_iterator, const_iterator)): Likewise
1204         and ensure consistent iterator comparison.
1205
1206         * include/bits/forward_list.h
1207         (_Fwd_list_iterator<>::operator==): Replace member function with inline
1208         friend.
1209         (_Fwd_list_iterator<>::operator!=): Likewise.
1210         (_Fwd_list_const_iterator<>::operator==): Likewise.
1211         (_Fwd_list_const_iterator<>::operator!=): Likewise.
1212         (operator==(const _Fwd_list_iterator<>&,
1213         const _Fwd_list_const_iterator<>&)): Remove.
1214         (operator!=(const _Fwd_list_iterator<>&,
1215         const _Fwd_list_const_iterator<>&)): Remove.
1216         (forward_list<>::_Node): Take typedef from base type.
1217         (forward_list<>::iterator): Likewise.
1218         (forward_list<>::const_iterator): Likewise.
1219
1220 2018-10-11  Jonathan Wakely  <jwakely@redhat.com>
1221
1222         PR libstdc++/80538
1223         * src/c++11/thread.cc (this_thread::__sleep_for)
1224         [_GLIBCXX_HAVE_SLEEP]: Only call sleep for non-zero values.
1225         Loop while sleep call is interrupted and until steady_clock
1226         shows requested duration has elapsed.
1227         (!_GLIBCXX_HAVE_USLEEP]: Use the _GLIBCXX_HAVE_SLEEP code path, but
1228         avoiding the usleep call.
1229         * testsuite/30_threads/this_thread/60421.cc: Test repeated
1230         signal interruptions.
1231
1232         * include/bits/allocator.h
1233         (operator==(const allocator<_Tp>&, const allocator<_Tp>))
1234         (operator!=(const allocator<_Tp>&, const allocator<_Tp>)): Replace
1235         with inline friends.
1236         * include/ext/debug_allocator.h (operator==, operator!=): Replace
1237         with inline friend functions that compare to rebound allocators.
1238         * include/ext/malloc_allocator.h (operator==, operator!=): Likewise.
1239         * include/ext/new_allocator.h (operator==, operator!=): Likewise.
1240         * testsuite/ext/debug_allocator/eq.cc: New test.
1241         * testsuite/ext/ext_pointer/alloc_eq.cc: New test.
1242         * testsuite/ext/malloc_allocator/eq.cc: New test.
1243         * testsuite/ext/new_allocator/eq.cc: New test.
1244
1245 2018-10-10  Jonathan Wakely  <jwakely@redhat.com>
1246
1247         PR libstdc++/87544
1248         * include/bits/stl_vector.h (vector::_S_max_size): Limit size to
1249         PTRDIFF_MAX / sizeof(value_type).
1250         * include/ext/malloc_allocator.h (malloc_allocator::max_size):
1251         Likewise.
1252         * include/ext/new_allocator.h (new_allocator::max_size): Likewise.
1253         * testsuite/23_containers/vector/allocator/minimal.cc: Adjust
1254         expected value for max_size().
1255         * testsuite/23_containers/vector/capacity/87544.cc: New test.
1256
1257 2018-10-09  François Dumont  <fdumont@gcc.gnu.org>
1258
1259         * include/bits/stl_list.h
1260         (_List_operator<>::operator==): Replace member function with inline
1261         friend.
1262         (_List_operator<>::operator!=): Likewise.
1263         (_List_const_operator<>::operator==): Likewise.
1264         (_List_const_operator<>::operator!=): Likewise.
1265         (operator==(const _List_iterator<>&, const _List_const_iterator<>&)):
1266         Remove.
1267         (operator!=(const _List_iterator<>&, const _List_const_iterator<>&)):
1268         Remove.
1269
1270 2018-10-09  Jonathan Wakely  <jwakely@redhat.com>
1271
1272         * include/bits/stringfwd.h (string, wstring, u16string, u32string):
1273         Define typedefs outside of __cxx11 inline namespace.
1274         * python/libstdcxx/v6/printers.py (register_type_printers): Also
1275         register printers for typedefs in new location.
1276
1277 2018-10-08  Jonathan Wakely  <jwakely@redhat.com>
1278
1279         PR libstdc++/87538
1280         * testsuite/experimental/functional/87538.cc: New test.
1281
1282         PR libstdc++/87538
1283         * include/std/functional (_Not_fn::operator()): Check value of
1284         __is_nothrow_invocable as well.
1285         * testsuite/20_util/function_objects/not_fn/87538.cc: New test.
1286
1287 2018-10-08  François Dumont  <fdumont@gcc.gnu.org>
1288
1289         * include/debug/list (list<>::cbegin()): Use C++11 direct
1290         initialization.
1291         (list<>::cend()): Likewise.
1292         (list<>::emplace<>(const_iterator, _Args&&...)): Likewise.
1293         (list<>::insert(const_iterator, initializer_list<>)): Likewise.
1294         (list<>::insert(const_iterator, size_type, const _Tp&)): Likewise.
1295         (list<>::erase(const_iterator, const_iterator)): Ensure consistent
1296         iterator comparisons.
1297         (list<>::splice(const_iterator, list&&, const_iterator,
1298         const_iterator)): Likewise.
1299
1300 2018-10-05  François Dumont  <fdumont@gcc.gnu.org>
1301
1302         * include/bits/stl_tree.h
1303         (_Rb_tree_iterator<>::operator==): Make inline friend.
1304         (_Rb_tree_iterator<>::operator!=): Likewise.
1305         (_Rb_tree_const_iterator<>::operator==): Likewise.
1306         (_Rb_tree_const_iterator<>::operator!=): Likewise.
1307         (operator==(const _Rb_tree_iterator<>&,
1308         const _Rb_tree_const_iterator&)): Remove.
1309         (operator!=(const _Rb_tree_iterator<>&,
1310         const _Rb_tree_const_iterator&)): Remove.
1311         (operator==(const _Rb_tree<>&, const _Rb_tree<>&)): Make inline friend.
1312         (operator<(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise.
1313         (operator!=(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise and
1314         deprecate.
1315         (operator>(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise.
1316         (operator<=(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise.
1317         (operator>=(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise.
1318         * include/debug/map.h (map<>::erase(const_iterator, const_iterator)):
1319         Compare __victim with _Base::cend().
1320         * include/debug/multimap.h
1321         (multimap<>::erase(const_iterator, const_iterator)): Likewise.
1322         * include/debug/set.h (set<>::erase(const_iterator, const_iterator)):
1323         Compare __victim with _Base::cend().
1324         * include/debug/multiset.h
1325         (multiset<>::erase(const_iterator, const_iterator)): Likewise.
1326
1327 2018-10-03  Jonathan Wakely  <jwakely@redhat.com>
1328
1329         PR libstdc++/59439
1330         * src/c++98/locale.cc (locale::locale(const locale&)): Bypass
1331         reference count updates for the classic locale.
1332         (locale::~locale()): Likewise.
1333         (locale::operator=(const locale&)): Likewise.
1334         * src/c++98/locale_init.cc (locale::locale()): Likewise.
1335         (locale::global(const locale&)): Likewise.
1336
1337 2018-10-03  François Dumont  <fdumont@gcc.gnu.org>
1338
1339         * include/debug/map.h
1340         (map<>::emplace<>(_Args&&...)): Use C++11 direct initialization.
1341         (map<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
1342         (map<>::insert(value_type&&)): Likewise.
1343         (map<>::insert<>(_Pair&&)): Likewise.
1344         (map<>::insert<>(const_iterator, _Pair&&)): Likewise.
1345         (map<>::try_emplace): Likewise.
1346         (map<>::insert_or_assign): Likewise.
1347         (map<>::insert(node_type&&)): Likewise.
1348         (map<>::insert(const_iterator, node_type&&)): Likewise.
1349         (map<>::erase(const_iterator)): Likewise.
1350         (map<>::erase(const_iterator, const_iterator)): Likewise.
1351         * include/debug/multimap.h
1352         (multimap<>::emplace<>(_Args&&...)): Use C++11 direct initialization.
1353         (multimap<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
1354         (multimap<>::insert<>(_Pair&&)): Likewise.
1355         (multimap<>::insert<>(const_iterator, _Pair&&)): Likewise.
1356         (multimap<>::insert(node_type&&)): Likewise.
1357         (multimap<>::insert(const_iterator, node_type&&)): Likewise.
1358         (multimap<>::erase(const_iterator)): Likewise.
1359         (multimap<>::erase(const_iterator, const_iterator)): Likewise.
1360         * include/debug/set.h
1361         (set<>::emplace<>(_Args&&...)): Use C++11 direct initialization.
1362         (set<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
1363         (set<>::insert(value_type&&)): Likewise.
1364         (set<>::insert<>(const_iterator, value_type&&)): Likewise.
1365         (set<>::insert(const_iterator, node_type&&)): Likewise.
1366         (set<>::erase(const_iterator)): Likewise.
1367         (set<>::erase(const_iterator, const_iterator)): Likewise.
1368         * include/debug/multiset.h
1369         (multiset<>::emplace<>(_Args&&...)): Use C++11 direct initialization.
1370         (multiset<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
1371         (multiset<>::insert<>(value_type&&)): Likewise.
1372         (multiset<>::insert<>(const_iterator, value_type&&)): Likewise.
1373         (multiset<>::insert(node_type&&)): Likewise.
1374         (multiset<>::insert(const_iterator, node_type&&)): Likewise.
1375         (multiset<>::erase(const_iterator)): Likewise.
1376         (multiset<>::erase(const_iterator, const_iterator)): Likewise.
1377
1378 2018-10-02  Marc Glisse  <marc.glisse@inria.fr>
1379
1380         PR libstdc++/87258
1381         * include/bits/stl_bvector.h (vector::begin(), vector::cbegin()):
1382         Rebuild _M_start with an explicit 0 offset.
1383
1384 2018-10-02  Jonathan Wakely  <jwakely@redhat.com>
1385
1386         * include/std/variant (__gen_vtable_impl::__visit_invoke): Call __get
1387         directly instead of get, as caller ensures correct index is used.
1388         (holds_alternative, get, get_if): Remove redundant inline specifiers.
1389         (_VARIANT_RELATION_FUNCTION_TEMPLATE): Likewise.
1390
1391 2018-10-02  Joseph Myers  <joseph@codesourcery.com>
1392
1393         * testsuite/lib/libstdc++.exp (libstdc++_init): Use
1394         -fno-show-column in default cxxflags.
1395
1396 2018-10-01  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1397
1398         * config/os/uclibc/os_defines.h (__NO_STRING_INLINES): Delete.
1399
1400 2018-10-01  Gerald Pfeifer  <gerald@pfeifer.com>
1401
1402         * doc/xml/manual/allocator.xml: Adjust link to "Reconsidering
1403         Custom Memory Allocation".
1404
1405 2018-10-01  Jonathan Wakely  <jwakely@redhat.com>
1406
1407         * doc/html/*: Regenerate.
1408
1409 2018-09-30  Gerald Pfeifer  <gerald@pfeifer.com>
1410
1411         * doc/xml/manual/messages.xml: Switch link to www.oracle.com
1412         to https.
1413
1414 2018-09-30  Gerald Pfeifer  <gerald@pfeifer.com>
1415
1416         * doc/xml/manual/policy_data_structures_biblio.xml: Update
1417         link to Microsoft Component Model Object Technologies.
1418
1419 2018-09-29  Gerald Pfeifer  <gerald@pfeifer.com>
1420
1421         * doc/xml/gnu/fdl-1.3.xml: The Free Software Foundation web
1422         site now uses https. Also omit the unnecessary trailing slash.
1423         * doc/xml/gnu/gpl-3.0.xml: Ditto.
1424
1425 2018-09-28  François Dumont  <fdumont@gcc.gnu.org>
1426
1427         * include/debug/functions.h
1428         (__foreign_iterator_aux3(const _Safe_iterator<>&, const _InputeIter&,
1429         const _InputIter&, __true_type)): Use empty() rather than begin() ==
1430         end().
1431
1432 2018-09-25  Mike Crowe  <mac@mcrowe.com>
1433
1434         * include/std/condition_variable (condition_variable::wait_for): Use
1435         steady clock in overload that uses a predicate.
1436
1437 2018-09-25  Jonathan Wakely  <jwakely@redhat.com>
1438
1439         PR libstdc++/87431
1440         * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
1441         Avoid runtime test when all alternatives are scalars and so cannot
1442         throw during initialization.
1443
1444 2018-09-25  Gerald Pfeifer  <gerald@pfeifer.com>
1445
1446         * doc/xml/manual/codecvt.xml: Move link to "UTF-8 and Unicode FAQ"
1447         to https.
1448
1449 2018-09-24  Gerald Pfeifer  <gerald@pfeifer.com>
1450
1451         * doc/xml/manual/policy_data_structures_biblio.xml: Update link
1452         to "Priority Queues and the STL".
1453
1454 2018-09-23  Gerald Pfeifer  <gerald@pfeifer.com>
1455
1456         * doc/xml/manual/using_exceptions.xml: Move boost.orgs link to
1457         https.
1458
1459 2018-09-21  François Dumont  <fdumont@gcc.gnu.org>
1460
1461         PR libstdc++/87135
1462         * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
1463         Use __builtin_floor to compute _M_next_resize.
1464         * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt.
1465         * testsuite/23_containers/unordered_set/hash_policy/prime_rehash.cc:
1466         Adapt.
1467
1468 2018-09-21  Jonathan Wakely  <jwakely@redhat.com>
1469
1470         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: Remove.
1471         * testsuite/26_numerics/headers/cmath/hypot.cc: Restore test for
1472         long double unconditionally, but use lower tolerance when
1473         sizeof(long double) == sizeof(double).
1474
1475 2018-09-20  Christophe Lyon  <christophe.lyon@linaro.org>
1476
1477         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: Skip
1478         on arm*.
1479
1480 2018-09-19  Jonathan Wakely  <jwakely@redhat.com>
1481
1482         * include/bits/regex_automaton.tcc (_StateSeq<_TraitsT>::_M_clone()):
1483         Remove __glibcxx_assert statements and use map::find instead of
1484         map::operator[].
1485
1486 2018-09-18  François Dumont  <fdumont@gcc.gnu.org>
1487
1488         PR libstdc++/87135
1489         * src/c++11/hashtable_c++0x.cc:
1490         (_Prime_rehash_policy::_M_next_bkt): Return a prime no smaller than
1491         requested size, but not necessarily greater.
1492         (_Prime_rehash_policy::_M_need_rehash): Rehash only if target size is
1493         strictly greater than next resize threshold.
1494         * testsuite/23_containers/unordered_map/modifiers/reserve.cc: Adapt test
1495         to validate that there is no rehash as long as number of insertion is
1496         lower or equal to the reserved number of elements.
1497
1498 2018-09-18  Jonathan Wakely  <jwakely@redhat.com>
1499
1500         * include/bits/unique_ptr.h (__uniq_ptr_impl): Remove static assertion
1501         checking invocable condition.
1502         (unique_ptr::~unique_ptr, unique_ptr::reset): Restore static assertion
1503         here, where types must be complete. Pass pointer to deleter as an
1504         rvalue.
1505         * testsuite/20_util/unique_ptr/requirements/incomplete.cc: New test.
1506
1507 2018-09-13  Jonathan Wakely  <jwakely@redhat.com>
1508
1509         * include/std/variant (variant) [__clang__]: Limit workaround to
1510         Clang 7 and older.
1511
1512 2018-09-11  Jonathan Wakely  <jwakely@redhat.com>
1513
1514         PR libstdc++/87278
1515         * include/bits/shared_ptr.h (make_shared): Use remove_cv instead of
1516         remove_const.
1517         * testsuite/20_util/shared_ptr/creation/87278.cc: New test.
1518
1519         Implement LWG 2905 changes to constrain unique_ptr constructors
1520         * include/bits/unique_ptr.h (__uniq_ptr_impl): Add assertions to
1521         check deleter type.
1522         (unique_ptr::unique_ptr(pointer, const deleter_type&)): Add copy
1523         constructible constraint.
1524         (unique_ptr::unique_ptr(pointer, deleter_type&&)): Disable for
1525         deleters of reference type and add move constructible constraint.
1526         (unique_ptr::unique_ptr(pointer, remove_reference_t<deleter_type>&&)):
1527         Disable for deleters of non-reference type. Define as deleted.
1528         (unique_ptr<T[], D>): Likewise.
1529         * testsuite/20_util/unique_ptr/assign/48635_neg.cc: Replace dg-error
1530         directives with unstable line numbers with dg-prune-output.
1531         * testsuite/20_util/unique_ptr/cons/cv_qual_neg.cc: Likewise.
1532         * testsuite/20_util/unique_ptr/cons/lwg2905.cc: New test.
1533         * testsuite/20_util/unique_ptr/specialized_algorithms/swap_cxx17.cc:
1534         Make deleter types invocable.
1535
1536 2018-09-05  Jonathan Wakely  <jwakely@redhat.com>
1537
1538         * libsupc++/cxxabi.h (__cxa_demangle): Clarify doxygen comment.
1539
1540 2018-09-03  Jonathan Wakely  <jwakely@redhat.com>
1541
1542         PR libstdc++/78179
1543         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: New test
1544         that runs the long double part of hypot.cc.
1545         * testsuite/26_numerics/headers/cmath/hypot.cc: Disable long double
1546         tests unless TEST_HYPOT_LONG_DOUBLE is defined.
1547
1548         * include/bits/stl_vector.h (vector::_Temporary_value::_M_ptr):
1549         Return raw pointer not allocator's pointer type.
1550         (vector::_Temporary_value::_M_val): Use _M_ptr.
1551
1552         PR libstdc++/87194
1553         * include/bits/stl_map.h
1554         (map::map(initializer_list<value_type>, const Compare&, const Alloc&))
1555         (map::map(initializer_list<value_type>, const Alloc&))
1556         (map::map(InputIterator, InputIterator, const Alloc&))
1557         (map::map(InputIterator, InputIterator))
1558         (map::map(InputIterator, InputIterator, const Compare&, const Alloc&))
1559         (map::insert(InputIterator, InputIterator)):
1560         Call _M_insert_range_unique instead of _M_insert_unique.
1561         * include/bits/stl_multimap.h
1562         (multimap::multimap(initializer_list<value_type>, const C&, const A&))
1563         (multimap::multimap(initializer_list<value_type>, const A&))
1564         (multimap::multimap(InputIterator, InputIterator, const A&))
1565         (multimap::multimap(InputIterator, InputIterator))
1566         (multimap::multimap(InputIterator, InputIterator, const C&, const A&))
1567         (multimap::insert(InputIterator, InputIterator)): Call
1568         _M_insert_range_equal instead of _M_insert_equal.
1569         * include/bits/stl_multiset.h
1570         (multiset::multiset(InputIterator, InputIterator))
1571         (multiset::multiset(InputIterator, InputIterator, const C&, const A&))
1572         (multiset::multiset(initializer_list<value_type>, const C&, const A&))
1573         (multiset::multiset(initializer_list<value_type>, const A&))
1574         (multiset::multiset(InputIterator, InputIterator, const A&))
1575         (multiset::insert(InputIterator, InputIterator)): Call
1576         _M_insert_range_equal instead of _M_insert_equal.
1577         * include/bits/stl_set.h
1578         (set::set(InputIterator, InputIterator))
1579         (set::set(InputIterator, InputIterator, const Compare&, const Alloc&))
1580         (set::set(initializer_list<value_type>, const Compare&, const Alloc&))
1581         (set::set(initializer_list<value_type>, const Alloc&))
1582         (set::set(InputIterator, InputIterator, const Alloc&))
1583         (set::insert(InputIterator, InputIterator)):
1584         Call _M_insert_range_unique instead of _M_insert_unique.
1585         * include/bits/stl_tree.h
1586         [__cplusplus >= 201103L] (_Rb_tree::__same_value_type): New alias
1587         template for SFINAE constraints.
1588         [__cplusplus >= 201103L] (_Rb_tree::_M_insert_range_unique): Pair of
1589         constrained overloads that either insert or emplace, depending on
1590         iterator's value_type.
1591         [__cplusplus >= 201103L] (_Rb_tree::_M_insert_range_equal): Likewise.
1592         [__cplusplus < 201103L] (_Rb_tree::_M_insert_range_unique)
1593         (_Rb_tree::_M_insert_range_equal): New functions replacing range
1594         versions of _M_insert_unique and _M_insert_equal.
1595         (_Rb_tree::_M_insert_unique(_InputIterator, _InputIterator))
1596         (_Rb_tree::_M_insert_equal(_InputIterator, _InputIterator)): Remove.
1597         * testsuite/23_containers/map/modifiers/insert/87194.cc: New test.
1598         * testsuite/23_containers/multimap/modifiers/insert/87194.cc: New test.
1599         * testsuite/23_containers/multiset/modifiers/insert/87194.cc: New test.
1600         * testsuite/23_containers/set/modifiers/insert/87194.cc: New test.
1601
1602         PR libstdc++/78595
1603         * include/bits/stl_map.h (map::insert(_Pair&&))
1604         (map::insert(const_iterator, _Pair&&)): Do emplace instead of insert.
1605         * include/bits/stl_multimap.h (multimap::insert(_Pair&&))
1606         (multimap::insert(const_iterator, _Pair&&)): Likewise.
1607         * include/bits/unordered_map.h (unordered_map::insert(_Pair&&))
1608         (unordered_map::insert(const_iterator, _Pair&&))
1609         (unordered_multimap::insert(_Pair&&))
1610         (unordered_multimap::insert(const_iterator, _Pair&&)): Likewise.
1611         * testsuite/23_containers/map/modifiers/insert/78595.cc: New test.
1612         * testsuite/23_containers/multimap/modifiers/insert/78595.cc: New test.
1613         * testsuite/23_containers/unordered_map/modifiers/78595.cc: New test.
1614         * testsuite/23_containers/unordered_multimap/modifiers/78595.cc: New
1615         test.
1616
1617 2018-09-02  François Dumont  <fdumont@gcc.gnu.org>
1618
1619         * include/debug/safe_iterator.h
1620         (_Safe_iterator<_It, _Seq, _Cat>::_Self): New.
1621         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>::_Self):
1622         New.
1623         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
1624         ::_OtherSelf): New.
1625         (_GLIBCXX_DEBUG_VERIFY_OPERANDS, _GLIBCXX_DEBUG_VERIFY_EQ_OPERANDS)
1626         (_GLIBCXX_DEBUG_VERIFY_REL_OPERANDS)
1627         (_GLIBCXX_DEBUG_VERIFY_DIST_OPERANDS): Define macros.
1628         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
1629         ::operator+(difference_type)): Use latters, inline as friend.
1630         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
1631         ::operator-(difference_type)): Likewise.
1632         (operator==(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1633         Likewise.
1634         (operator!=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1635         Likewise.
1636         (operator<(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
1637         (operator<=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1638         Likewise.
1639         (operator>(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
1640         (operator>=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1641         Likewise.
1642         (operator-(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
1643         (operator+(difference_type, const _Safe_iterator<>&)): Likewise.
1644         (operator-(const _Safe_iterator<>&, difference_type)): Likewise.
1645         * include/debug/safe_iterator.tcc
1646         (_Safe_iterator<>::_M_can_advance(difference_type)): Take parameter by
1647         copy.
1648         * include/debug/safe_local_iterator.h
1649         (_Safe_local_iterator<_It, _Seq>::_Self): New.
1650         (_Safe_local_iterator<_It, _Seq>::_OtherSelf): New.
1651         (_GLIBCXX_DEBUG_VERIFY_OPERANDS): Define macro.
1652         (operator==(const _Safe_local_iterator<>&,
1653         const _Safe_local_iterator<>&)): Use latter, inline as friend.
1654         (operator!=(const _Safe_local_iterator<>&,
1655         const _Safe_local_iterator<>&)): Likewise.
1656         * testsuite/util/testsuite_containers.h: Include utility.
1657         (struct forward_members_unordered<_Tp, bool>): Remove 2nd template
1658         parameter.
1659         (forward_members_unordered<>::forward_members_unordered(value_type&)):
1660         Add using namespace std::rel_ops.
1661         Add iterator_concept_checks on local_iterator and const_local_iterator.
1662         Add asserts on comparison between const_local_iterator and
1663         local_iterator.
1664         (struct forward_members_unordered<_Tp, false>): Remove partial
1665         specialization.
1666         * testsuite/23_containers/forward_list/types/1.cc: New.
1667         * testsuite/23_containers/list/types/1.cc: New.
1668
1669 2018-09-01  Gerald Pfeifer  <gerald@pfeifer.com>
1670
1671         * doc/xml/manual/profile_mode.xml: Update three ieeexplore.ieee.org
1672         references.
1673
1674 2018-08-31  Sandra Loosemore  <sandra@codesourcery.com>
1675
1676         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/10.cc:
1677         Add dg-require-fileio.
1678         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/11.cc:
1679         Likewise.
1680         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/5.cc:
1681         Likewise.
1682         * testsuite/21_strings/basic_string_view/inserters/wchar_t/2.cc:
1683         Likewise.
1684         * testsuite/25_algorithms/copy/streambuf_iterators/wchar_t/4.cc:
1685         Likewise.
1686         * testsuite/25_algorithms/find/istreambuf_iterators/wchar_t/2.cc:
1687         Likewise.
1688         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-1.cc: Likewise.
1689         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-2.cc: Likewise.
1690         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-3.cc: Likewise.
1691         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-4.cc: Likewise.
1692         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/11543.cc: Likewise.
1693         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-1.cc:
1694         Likewise.
1695         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-2.cc:
1696         Likewise.
1697         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-3.cc:
1698         Likewise.
1699         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-4.cc:
1700         Likewise.
1701         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-1.cc:
1702         Likewise.
1703         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-2.cc:
1704         Likewise.
1705         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-4.cc:
1706         Likewise.
1707         * testsuite/27_io/basic_filebuf/underflow/wchar_t/2.cc: Likewise.
1708         * testsuite/27_io/basic_filebuf/underflow/wchar_t/3.cc: Likewise.
1709         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: Likewise.
1710         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: Likewise.
1711         * testsuite/27_io/basic_istream/extractors_character/wchar_t/4.cc:
1712         Likewise.
1713         * testsuite/27_io/basic_istream/extractors_other/wchar_t/2.cc:
1714         Likewise.
1715         * testsuite/27_io/basic_istream/get/wchar_t/2.cc: Likewise.
1716         * testsuite/27_io/basic_istream/getline/wchar_t/5.cc: Likewise.
1717         * testsuite/27_io/basic_istream/ignore/wchar_t/2.cc: Likewise.
1718         * testsuite/27_io/basic_istream/ignore/wchar_t/3.cc: Likewise.
1719         * testsuite/27_io/basic_istream/seekg/wchar_t/sstream.cc: Likewise.
1720         * testsuite/27_io/basic_istream/tellg/wchar_t/sstream.cc: Likewise.
1721         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: Likewise.
1722         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: Likewise.
1723         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/1.cc:
1724         Likewise.
1725         * testsuite/27_io/objects/wchar_t/10.cc: Likewise.
1726         * testsuite/27_io/objects/wchar_t/12048-1.cc: Likewise.
1727         * testsuite/27_io/objects/wchar_t/12048-2.cc: Likewise.
1728         * testsuite/27_io/objects/wchar_t/12048-3.cc: Likewise.
1729         * testsuite/27_io/objects/wchar_t/12048-4.cc: Likewise.
1730         * testsuite/27_io/objects/wchar_t/12048-5.cc: Likewise.
1731         * testsuite/experimental/string_view/inserters/wchar_t/2.cc:
1732         Likewise.
1733         * testsuite/ext/stdio_sync_filebuf/wchar_t/1.cc: Likewise.
1734
1735 2018-08-30  Sandra Loosemore  <sandra@codesourcery.com>
1736
1737         * testsuite/experimental/propagate_const/observers/1.cc: Make
1738         dependence on -fdelete-null-pointer-checks explicit.
1739
1740 2018-08-30  Jonathan Wakely  <jwakely@redhat.com>
1741
1742         * include/bits/hashtable_policy.h (__clp2): Fix calculation for LLP64
1743         targets where sizeof(size_t) > sizeof(long). Avoid undefined shifts
1744         of the number of bits in the type.
1745         * include/std/bit (__ceil2): Avoid undefined shifts.
1746         * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Test values with
1747         the most signifiant bit set.
1748
1749         * config/abi/pre/gnu.ver: Add missing exports for mingw.
1750
1751         * include/ext/pointer.h (_Pointer_adapter): Define operators for
1752         pointer arithmetic using long long offsets.
1753         * testsuite/ext/ext_pointer/1.cc: Test pointer arithmetic using
1754         long long values.
1755
1756 2018-08-29  Jonathan Wakely  <jwakely@redhat.com>
1757
1758         PR libstdc++/31413
1759         * testsuite/22_locale/time_get/get_date/wchar_t/4.cc: Check D_FMT
1760         string for alternative format.
1761
1762 2018-08-28  Jonathan Wakely  <jwakely@redhat.com>
1763
1764         PR libstdc++/87116
1765         * src/filesystem/std-path.cc (path::lexically_normal): When handling
1766         a dot-dot filename, preserve an empty final component in the iteration
1767         sequence.
1768         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use preferred-separator for
1769         root-directory.
1770         * testsuite/27_io/filesystem/path/generation/normal.cc: Add new tests
1771         for more than two adjacent dot-dot filenames.
1772         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Replace slashes with
1773         preferred-separator in expected normalized strings.
1774
1775 2018-08-25  Iain Sandoe  <iain@sandoe.co.uk>
1776
1777         PR libstdc++/70694
1778         * configure.host (OPT_LDFLAGS): Don't append
1779         -fvisibility-inlines-hidden for newer Darwin.
1780
1781 2018-08-24  Marc Glisse  <marc.glisse@inria.fr>
1782
1783         PR libstdc++/86822
1784         * libsupc++/new (operator new(size_t, nothrow_t), operator
1785         new[](size_t, nothrow_t), operator new(size_t, align_val_t, nothrow_t),
1786         operator new[](size_t, align_val_t, nothrow_t)): Add malloc attribute.
1787
1788 2018-08-24  Jonathan Wakely  <jwakely@redhat.com>
1789
1790         * include/debug/deque (std::__debug::deque): Declare.
1791         * include/debug/forward_list (std::__debug::forward_list): Declare.
1792         * include/debug/list (std::__debug::list): Declare.
1793         * include/debug/map (std::__debug::map): Declare.
1794         * include/debug/set (std::__debug::set): Declare.
1795         * include/debug/unordered_map (std::__debug::unordered_map): Declare.
1796         * include/debug/unordered_set (std::__debug::unordered_set): Declare.
1797         * include/debug/vector (std::__debug::vector): Declare.
1798         * testsuite/23_containers/deque/types/pmr_typedefs_debug.cc: New test.
1799         * testsuite/23_containers/forward_list/pmr_typedefs_debug.cc: New
1800         test.
1801         * testsuite/23_containers/list/pmr_typedefs_debug.cc: New test.
1802         * testsuite/23_containers/map/pmr_typedefs_debug.cc: New test.
1803         * testsuite/23_containers/multimap/pmr_typedefs_debug.cc: New test.
1804         * testsuite/23_containers/multiset/pmr_typedefs_debug.cc: New test.
1805         * testsuite/23_containers/set/pmr_typedefs_debug.cc: New test.
1806         * testsuite/23_containers/unordered_map/pmr_typedefs_debug.cc: New
1807         test.
1808         * testsuite/23_containers/unordered_multimap/pmr_typedefs_debug.cc:
1809         New test.
1810         * testsuite/23_containers/unordered_multiset/pmr_typedefs_debug.cc:
1811         New test.
1812         * testsuite/23_containers/unordered_set/pmr_typedefs_debug.cc: New
1813         test.
1814         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
1815         Adjust dg-error lineno.
1816         * testsuite/23_containers/vector/types/pmr_typedefs_debug.cc: New
1817         test.
1818
1819 2018-08-23  Jonathan Wakely  <jwakely@redhat.com>
1820
1821         * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource):
1822         Only define when RTTI is enabled.
1823
1824         * include/debug/vector (__niter_base): Define for C++98.
1825
1826         * testsuite/25_algorithms/partial_sort_copy/debug/irreflexive_neg.cc:
1827         Fix C++98 test to not use C++11 features.
1828         * testsuite/25_algorithms/fill_n/2.cc: Likewise.
1829
1830         * scripts/check_compile: Fix comments.
1831
1832         * include/debug/string (insert(__const_iterator, _InIter, _InIter)):
1833         [!_GLIBCXX_USE_CXX11_ABI]: Replace use of C++11-only cbegin() with
1834         begin(), for C++98 compatibility.
1835
1836         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
1837         (basic_string::__const_iterator): Change access to protected.
1838         [!_GLIBCXX_USE_CXX11_ABI] (basic_string::__const_iterator): Define
1839         as typedef for iterator.
1840         * include/debug/string (__const_iterator): Use typedef from base.
1841         (insert(const_iterator, _CharT))
1842         (replace(const_iterator, const_iterator, const basic_string&))
1843         (replace(const_iterator, const_iterator, const _CharT*, size_type))
1844         (replace(const_iterator, const_iterator, const CharT*))
1845         (replace(const_iterator, const_iterator, size_type, _CharT))
1846         (replace(const_iterator, const_iterator, _InputIter, _InputIter))
1847         (replace(const_iterator, const_iterator, initializer_list<_CharT>)):
1848         Change const_iterator parameters to __const_iterator.
1849         (insert(iterator, size_type, _CharT)): Add C++98 overload.
1850         (insert(const_iterator, _InputIterator, _InputIterator)): Change
1851         const_iterator parameter to __const_iterator.
1852         [!_GLIBCXX_USE_CXX11_ABI]: Add workaround for incorrect return type
1853         of base's member function.
1854         (insert(const_iterator, size_type, _CharT)) [!_GLIBCXX_USE_CXX11_ABI]:
1855         Likewise.
1856         (insert(const_iterator, initializer_list<_CharT>))
1857         [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
1858         * testsuite/21_strings/basic_string/init-list.cc: Remove effective
1859         target directive.
1860
1861         * testsuite/20_util/reference_wrapper/lwg2993.cc: Fix C++11 test to
1862         not use C++14 feature.
1863         * testsuite/23_containers/list/68222_neg.cc: Likewise.
1864
1865         * testsuite/21_strings/basic_string/init-list.cc:
1866         Require cxx11-abi.
1867         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc:
1868         Likewise.
1869         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
1870         Likewise.
1871
1872         * testsuite/23_containers/deque/capacity/max_size.cc: Fix test for
1873         C++98 mode.
1874         * testsuite/23_containers/deque/modifiers/assign/1.cc: Likewise.
1875         * testsuite/23_containers/list/modifiers/assign/1.cc: Likewise.
1876         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: Likewise.
1877         * testsuite/23_containers/vector/capacity/max_size.cc: Likewise.
1878         * testsuite/23_containers/vector/modifiers/assign/1.cc: Likewise.
1879
1880 2018-08-22  Jonathan Wakely  <jwakely@redhat.com>
1881
1882         PR libstdc++/87061
1883         * include/experimental/regex [!_GLIBCXX_USE_CXX11_ABI]
1884         (experimental::pmr::match_results, experimental::pmr::cmatch)
1885         (experimental::pmr::smatch, experimental::pmr::wcmatch)
1886         (experimental::pmr::wsmatch): Do not declare for gcc4-compatible ABI,
1887         because COW strings don't support C++11 allocator model.
1888         * include/experimental/string [!_GLIBCXX_USE_CXX11_ABI]
1889         (experimental::pmr::basic_string, experimental::pmr::string)
1890         (experimental::pmr::u16string, experimental::pmr::u32string)
1891         (experimental::pmr::wstring): Likewise.
1892         * include/std/regex [!_GLIBCXX_USE_CXX11_ABI] (pmr::match_results)
1893         (pmr::cmatch, pmr::smatch, pmr::wcmatch, pmr::wsmatch): Likewise.
1894         * include/std/string [!_GLIBCXX_USE_CXX11_ABI] (pmr::basic_string)
1895         (pmr::string, pmr::u16string, pmr::u32string, pmr::wstring): Likewise.
1896         * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Require
1897         cxx11-abi.
1898         * testsuite/28_regex/match_results/pmr_typedefs.cc: Likewise.
1899
1900         PR libstdc++/78448
1901         * include/bits/deque.tcc (deque::_M_range_initialize): Use
1902         _S_check_init_len to check size.
1903         (deque::_M_push_back_aux, deque::_M_push_front_aux): Throw length
1904         error if size would exceed max_size().
1905         * include/bits/stl_deque.h (_Deque_base::size_type): Remove typedef.
1906         (_Deque_base(_Deque_base&&, const allocator_type&, size_t)): Use
1907         size_t instead of size_type.
1908         (deq(size_type, const allocator_type&)
1909         (deq(size_type, const value_type&, const allocator_type&)
1910         (deque::_M_initialize_dispatch): Use _S_check_init_len to check size.
1911         (deque::max_size): Call _S_max_size.
1912         (deque::_S_check_init_len, deque::_S_max_size): New functions.
1913         * include/bits/stl_vector.h (vector(size_type, const allocator_type&))
1914         (vector(size_type, const value_type&, const allocator_type&))
1915         (vector::_M_initialize_dispatch, vector::_M_range_initialize): Use
1916         _S_check_init_len to check size.
1917         (vector::max_size): Call _S_max_size.
1918         (vector::_M_check_len): Prevent max from being expanded as a
1919         function-like macro.
1920         (vector::_S_check_init_len, vector::_S_max_size): New functions.
1921         * include/bits/vector.tcc (vector::_M_assign_aux): Use
1922         _S_check_init_len to check size.
1923         * testsuite/23_containers/deque/capacity/max_size.cc: New test.
1924         * testsuite/23_containers/vector/capacity/max_size.cc: New test.
1925
1926 2018-08-22  François Dumont  <fdumont@gcc.gnu.org>
1927
1928         PR libstdc++/68222
1929         * include/debug/safe_iterator.h
1930         (_Safe_iterator<_It, _Sq, _Cat>): Add category template parameter.
1931         (_Safe_iterator<>::_Const_iterator): Remove.
1932         (_Safe_iterator<>::_IsConstant): New.
1933         (_Safe_iterator<>::_OtherIterator): New.
1934         (_Safe_iterator<_It, _Sq, _Cat>::_Safe_iterator<_MutIte>(
1935         const _Safe_iterator<_MutIte, _Sq, _Cat>&)): Add _IsConstant::__value in
1936         __gnu_cxx::__enable_if condition.
1937         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_to): New.
1938         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_from_begin): New.
1939         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_to_end): New.
1940         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>): New.
1941         (_Safe_iterator<_It, _Sq, _Cat>::operator--()): Move...
1942         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
1943         ::operator--()): ...here.
1944         (_Safe_iterator<_It, _Sq, _Cat>::operator--(int)): Move...
1945         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
1946         ::operator--(int)): ...here.
1947         (_Safe_iterator<_It, _Sq, _Cat>::_M_decrementable()): Move...
1948         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
1949         ::_M_decrementable()): ...here.
1950         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>): New.
1951         (_Safe_iterator<_It, _Sq, _Cat>::operator[](const difference_type&)):
1952         Move...
1953         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
1954         ::operator[](const difference_type&)): ...here.
1955         (_Safe_iterator<_It, _Sq, _Cat>::operator+=(const difference_type&)):
1956         Move...
1957         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
1958         ::operator+=(const difference_type&)): ...here.
1959         (_Safe_iterator<_It, _Sq, _Cat>::operator+(const difference_type&)):
1960         Move...
1961         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
1962         ::operator+(const difference_type&)): ...here.
1963         (_Safe_iterator<_It, _Sq, _Cat>::operator-=(const difference_type&)):
1964         Move...
1965         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
1966         ::operator-=(const difference_type&)): ...here.
1967         (_Safe_iterator<_It, _Sq, _Cat>::operator-(const difference_type&)):
1968         Move...
1969         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
1970         ::operator-(const difference_type&)): ...here.
1971         (operator<(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1972         Constraint to random access iterators.
1973         (operator<=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1974         Likewise.
1975         (operator>(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
1976         (operator>=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1977         Likewise.
1978         (operator-(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
1979         (operator+(const difference_type&, const _Safe_iterator<>&)): Likewise.
1980         (__check_dereferenceable(const _Safe_iterator<>&)): Remove.
1981         (__get_distance): Remove.
1982         (__get_distance_from_begin): Remove.
1983         (__get_distance_to_end): Remove.
1984         (struct __is_safe_random_iterator<_Safe_iterator<>>): Remove partial
1985         specialization.
1986         (__base(const _Safe_iterator<>&, std::input_iterator_tag)): Remove.
1987         (__base(const _Safe_iterator<>&, std::random_access_iterator_tag)): Remove.
1988         (__base(const _Safe_iterator<>&)): Constraint to random access iterator.
1989         * include/debug/safe_iterator.tcc
1990         (_Safe_iterator<>::_M_get_distance_from_begin()): New.
1991         (_Safe_iterator<>::_M_get_distance_to_end()): New.
1992         (_Safe_iterator<>::_M_get_distance_to(const _Safe_iterator<>&)): New.
1993         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
1994         ::_M_valid_range): New.
1995         * include/debug/safe_local_iterator.h
1996         (_Safe_local_iterator<>::_Const_local_iterator): Remove.
1997         (_Safe_local_iterator<>::_IsConstant): New.
1998         (_Safe_local_iterator<>::_OtherIterator): New.
1999         (_Safe_local_iterator<_It, _Cont>::_Safe_local_iterator<_MutIte, _Cont>(
2000         const _Safe_local_iterator<_MutIte, _Seq>&)): Add _IsConstant::__value
2001         in __gnu_cxx::__enable_if condition. If singular compare base iterator
2002         with _MutIte rather than _It.
2003         (_Safe_local_iterator<>::_S_constant): Make constexpr.
2004         (_Safe_local_iterator<>::_M_get_distance_to): New.
2005         (__check_dereferenceable(const _Safe_local_iterator<>&)): Remove.
2006         (__get_distance(const _Safe_local_iterator<>&,
2007         const _Safe_local_iterator<>&, std::input_iterator_tag)): Remove.
2008         (__valid_range(const _Safe_local_iterator<>&,
2009         const _Safe_local_iterator<>&)): New.
2010         * include/debug/safe_local_iterator.tcc
2011         (_Safe_local_iterator<>::_M_get_distance_to): New.
2012         * include/debug/deque (std::__debug::deque<>): Add
2013         ::__gnu_debug::_Safe_iterator<> friend declaration.
2014         * include/debug/forward_list (std::__debug::forward_list<>): Likewise.
2015         * include/debug/list (std::__debug::list<>): Likewise.
2016         * include/debug/map.h (std::__debug::map<>): Likewise.
2017         * include/debug/multimap.h (std::__debug::multimap<>): Likewise.
2018         * include/debug/set.h (std::__debug::set<>): Likewise.
2019         * include/debug/multiset.h (std::__debug::multiset<>): Likewise.
2020         * include/debug/string (std::__debug::basic_string<>): Likewise.
2021         * include/debug/unordered_map (std::__debug::unordered_map<>): Likewise
2022         and add ::__gnu_debug::_Safe_local_iterator<> friend declaration.
2023         (std::__debug::unordered_multimap<>): Likewise.
2024         * include/debug/unordered_set (std::__debug::unordered_set<>): Likewise.
2025         (std::__debug::unordered_multiset<>): Likewise.
2026         * include/debug/formatter.h: Adapt.
2027         * include/debug/helper_functions.h
2028         (__gnu_debug::_Safe_local_iterator<>): Add declaration.
2029         (__get_distance<_Ite>(_Ite, _Ite, std::random_access_iterator_tag):
2030         Pass parameter by copy.
2031         (__get_distance<_Ite>(_Ite, _Ite, std::input_iterator_tag): Likewise.
2032         (__get_distance<_Ite>(_Ite, _Ite): Likewise.
2033         (__valid_range_aux<_Integral>): Pass _Integral by copy.
2034         (__valid_range<_InputIterator>): Pass _InputIterator by copy.
2035         (__valid_range<>(const _Safe_iterator<>&,
2036         const _Safe_iterator<>&, typename _Distance_traits<>::__type&)):
2037         Declare.
2038         (__valid_range(const _Safe_local_iterator<>&,
2039         const _Safe_local_iterator<>&, typename _Distance_traits<>::__type&)):
2040         Declare.
2041         (__valid_range<>(const _Safe_iterator<>&, const _Safe_iterator<>&)):
2042         Declare.
2043         (__valid_range(const _Safe_local_iterator<>&, const _Safe_local_iterator<>&)):
2044         Declare.
2045         (__can_advance): Adapt.
2046         (struct __is_safe_random_iterator<>): Remove.
2047         (struct _SIter_base<>): Remove.
2048         * include/debug/functions.h: Include <bits/stl_iterator.h>.
2049         (__check_dereferenceable): Remove.
2050         (__foreign_iterator_aux4, __foreign_iterator_aux3): Adapt.
2051         (__foreign_iterator_aux2, __foreign_iterator_aux): Adapt.
2052         (__foreign_iterator): Adapt.
2053         * include/debug/stl_iterator.h
2054         (__is_safe_random_iterator<std::reverse_iterator<>>): Remove.
2055         (__base(const std::reverse_iterator<_Safe_iterator<_It, _Sq>)):
2056         Constraint for random access iterators.
2057         (__niter_base): Adapt.
2058         * testsuite/util/testsuite_containers.h:
2059         Include <bits/boost_concept_check.h>.
2060         (iterator_concept_checks<_It, _Mutable, _Category>): New.
2061         (citerator<_Cont>::forward_members::forward_members()): Instantiate
2062         latter for container iterator and const_iterator.
2063         * testsuite/23_containers/list/68222_neg.cc: New.
2064         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: Adapt
2065         line number.
2066         * testsuite/23_containers/unordered_set/debug/debug_functions.cc:
2067         (test01): Remove.
2068         * testsuite/23_containers/vector/debug/debug_functions.cc (test01):
2069         Remove.
2070
2071 2018-08-22  Jonathan Wakely  <jwakely@redhat.com>
2072
2073         PR libstdc++/77854
2074         * doc/xml/manual/status_cxx1998.xml: Document size_type and
2075         difference_type for containers.
2076         * doc/html/*: Regenerate.
2077
2078 2018-08-21  François Dumont  <fdumont@gcc.gnu.org>
2079
2080         P0646R1 Improving the Return Value of Erase-Like Algorithms I
2081         * include/debug/forward_list (forward_list::__remove_return_type):
2082         Define typedef as size_type or void, according to __cplusplus value.
2083         (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
2084         empty, according to __cplusplus value.
2085         (_GLIBCXX20_ONLY): Define macro.
2086         (forward_list::remove, forward_list::unique): Use typedef and macro
2087         to change return type and add abi-tag for C++2a. Return number of
2088         removed elements for C++2a.
2089         (forward_list::remove_if<Pred>, forward_list::unique<BinPred>): Use
2090         typedef to change return type for C++2a. Return number of removed
2091         elements for C++2a.
2092         * include/debug/list (list::__remove_return_type): Define typedef as
2093         size_type or void, according to __cplusplus value.
2094         (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
2095         empty, according to __cplusplus value.
2096         (_GLIBCXX20_ONLY): Define macro.
2097         (list::remove, list::unique): Use typedef and macro to change return
2098         type and add abi-tag for C++2a. Return number of removed elements for
2099         C++2a.
2100         (list::remove_if<Predicate>, list::unique<BinaryPredicate>): Use typedef
2101         to change return type for C++2a. Return number of removed elements for
2102         C++2a.
2103
2104 2018-08-21  David Edelsohn  <dje.gcc@gmail.com>
2105
2106         * testsuite/18_support/new_nothrow.cc: XFAIL on AIX.
2107
2108 2018-08-21  Jonathan Wakely  <jwakely@redhat.com>
2109
2110         * testsuite/26_numerics/bit/bitops.count/countl_one.cc: Remove
2111         redundant dg-do directive.
2112         * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise.
2113         * testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise.
2114         * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise.
2115         * testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise.
2116
2117 2018-08-20  Jonathan Wakely  <jwakely@redhat.com>
2118
2119         PR libstdc++/86963
2120         * include/std/tuple (_Tuple_impl::operator=): Define as deleted.
2121         (_Tuple_impl::_M_assign): New functions to perform assignment instead
2122         of assignment operators.
2123         (_Tuple_impl::_M_swap): Remove exception specification.
2124         (_Tuple_impl<_Idx, _Head>): Likewise.
2125         (_TC::_NonNestedTuple, _TC::_NotSameTuple): Use __remove_cvref_t.
2126         (__tuple_base): Remove.
2127         (tuple, tuple<_T1, _T2>): Remove inheritance from __tuple_base.
2128         (tuple::operator=, tuple<_T1, _T2>::operator=): Call _M_assign.
2129         (tuple::swap, tuple<_T1, _T2>::swap): Define exception specification
2130         using __is_nothrow_swappable.
2131         (tuple<_T1, _T2>::tuple(_U1&&, _U2&&)): Use __remove_cvref_t.
2132
2133         * include/std/optional (_Optional_payload): Use variable templates
2134         for conditions in default template arguments and exception
2135         specifications.
2136         (optional): Likewise. Adjust indentation.
2137         (optional::__not_self, optional::__not_tag, optional::_Requires): New
2138         SFINAE helpers.
2139         (optional::optional): Use new helpers in constructor constraints.
2140         * include/std/type_traits (__or_v, __and_v): New variable templates.
2141         * testsuite/20_util/optional/cons/value_neg.cc: Change dg-error to
2142         dg-prune-output. Remove unused header.
2143
2144 2018-08-18  François Dumont  <fdumont@gcc.gnu.org>
2145
2146         * testsuite/25_algorithms/copy/86658.cc: Use dg-options to define
2147         _GLIBCXX_DEBUG.
2148
2149 2018-08-17  Jonathan Wakely  <jwakely@redhat.com>
2150
2151         PR libstdc++/86963
2152         * include/std/tuple (__tuple_base): New class template with deleted
2153         copy assignment operator.
2154         (tuple, tuple<_T1, _T2>): Derive from __tuple_base<tuple> so that
2155         implicit copy/move assignment operator will be deleted/suppressed.
2156         (tuple::__assignable, tuple<_T1, _T2>::__assignable): New helper
2157         functions for SFINAE constraints on assignment operators.
2158         (tuple::__nothrow_assignable, tuple<_T1, _T2>::__nothrow_assignable):
2159         New helper functions for exception specifications.
2160         (tuple::operator=(const tuple&), tuple::operator=(tuple&&))
2161         (tuple<_T1, _T2>::operator=(const tuple&))
2162         (tuple<_T1, _T2>::operator=(tuple&&)): Change parameter types to
2163         __nonesuch_no_braces when the operator should be defined implicitly.
2164         Use __nothrow_assignable for exception specifications.
2165         (tuple::operator=(const tuple<_UElements...>&))
2166         (tuple::operator=(tuple<_UElements...>&&))
2167         (tuple<_T1, _T2>::operator=(const tuple<_U1, _U2>&))
2168         (tuple<_T1, _T2>::operator=(tuple<_U1, _U2>&&))
2169         (tuple<_T1, _T2>::operator=(const pair<_U1, _U2>&))
2170         (tuple<_T1, _T2>::operator=(pair<_U1, _U2>&&)): Constrain using
2171         __assignable and use __nothrow_assignable for exception
2172         specifications.
2173         * python/libstdcxx/v6/printers.py (is_specialization_of): Accept
2174         gdb.Type as first argument, instead of a string.
2175         (StdTuplePrinter._iterator._is_nonempty_tuple): New method to check
2176         tuple for expected structure.
2177         (StdTuplePrinter._iterator.__init__): Use _is_nonempty_tuple.
2178         * testsuite/20_util/tuple/dr2729.cc: New test.
2179         * testsuite/20_util/tuple/element_access/get_neg.cc: Change dg-error
2180         to dg-prune-output.
2181
2182 2018-08-16  Jonathan Wakely  <jwakely@redhat.com>
2183
2184         * include/tr1/legendre_function.tcc (__sph_legendre): Avoid warning
2185         about signed/unsigned comparison.
2186
2187         * include/std/ostream (basic_ostream::sentry::~sentry): Suppress
2188         deprecation warnings for using uncaught_exception().
2189
2190         PR libstdc++/86447
2191         * src/c++11/cow-stdexcept.cc [_GLIBCXX_FULLY_DYNAMIC_STRING]
2192         (logic_error::logic_error(logic_error&&))
2193         (logic_error::operator=(logic_error&&))
2194         (runtime_error::runtime_error(runtime_error&&))
2195         (runtime_error::operator=(runtime_error&&)): Copy strings instead of
2196         moving, to avoid allocating empty reps for moved-from strings.
2197
2198 2018-08-15  Jonathan Wakely  <jwakely@redhat.com>
2199
2200         * include/experimental/regex: Remove begin/end macros for namespace.
2201         * include/experimental/string: Likewise.
2202         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_deque.cc:
2203         New test.
2204         * testsuite/experimental/polymorphic_allocator/
2205         pmr_typedefs_forward_list.cc: New test.
2206         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_list.cc:
2207         New test.
2208         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_map.cc:
2209         New test.
2210         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc:
2211         New test.
2212         * testsuite/experimental/polymorphic_allocator/
2213         pmr_typedefs_multimap.cc: New test.
2214         * testsuite/experimental/polymorphic_allocator/
2215         pmr_typedefs_multiset.cc: New test.
2216         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_set.cc:
2217         New test.
2218         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
2219         New test.
2220         * testsuite/experimental/polymorphic_allocator/
2221         pmr_typedefs_unordered_map.cc: New test.
2222         * testsuite/experimental/polymorphic_allocator/
2223         pmr_typedefs_unordered_multimap.cc: New test.
2224         * testsuite/experimental/polymorphic_allocator/
2225         pmr_typedefs_unordered_multiset.cc: New test.
2226         * testsuite/experimental/polymorphic_allocator/
2227         pmr_typedefs_unordered_set.cc: New test.
2228         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_vector.cc:
2229         New test.
2230
2231         * include/bits/uses_allocator.h (__uses_allocator_construct): Qualify
2232         calls to __uses_allocator_construct_impl and __use_alloc.
2233         * include/experimental/memory_resource
2234         (polymorphic_allocator::_M_construct): Remove.
2235         (polymorphic_allocator::construct): Call __uses_allocator_construct.
2236         Qualify calls to __use_alloc.
2237         * include/std/memory_resource (polymorphic_allocator::construct): Fix
2238         type in SFINAE constraint. Use constexpr if instead of tag dispatching
2239         to _S_construct overloads.
2240         (polymorphic_allocator::construct(pair<T1, T2>*, ...)): Fix order of
2241         arguments to _S_construct_p.
2242         (polymorphic_allocator::_S_construct): Remove.
2243         (polymorphic_allocator::_S_construct_p): Return allocators by value
2244         not by reference.
2245         * include/std/scoped_allocator (scoped_allocator_adaptor::construct):
2246         Qualify calls to __use_alloc.
2247         * testsuite/20_util/polymorphic_allocator/construct_pair.cc: New test,
2248         copied from testsuite/20_util/scoped_allocator/construct_pair.cc.
2249         * testsuite/experimental/polymorphic_allocator/1.cc: New test.
2250         * testsuite/experimental/polymorphic_allocator/construct_pair.cc:
2251         New test.
2252
2253         * src/c++17/memory_resource.cc [!_GLIBCXX_HAS_GTHREADS]
2254         (atomic_mem_res): Add unsynchronized definition for single-threaded.
2255
2256 2018-08-14  Jonathan Wakely  <jwakely@redhat.com>
2257
2258         PR libstdc++/86954
2259         * include/bits/stl_tempbuf.h (return_temporary_buffer): Use
2260         non-placement delete.
2261
2262         * include/std/chrono (__check_overflow): Simplify definition.
2263         (_Checked_integral_constant): Remove.
2264
2265         PR libstdc++/86846
2266         * src/c++17/default_resource.h: New file, defining default_res.
2267         * src/c++17/memory_resource.cc [ATOMIC_POINTER_LOCK_FREE != 2]
2268         (atomic_mem_res): Define alternative for atomic<memory_resource*>
2269         using a mutex instead of atomics.
2270
2271         PR libstdc++/85343
2272         * config/abi/pre/gnu.ver: Export new symbol.
2273         * doc/xml/manual/abi.xml: Document new versions.
2274         * include/bits/fstream.tcc (basic_filebuf<C, T>::underflow)
2275         (basic_filebuf<C, T>::xsgetn): Pass errno to __throw_ios_failure.
2276         * include/bits/functexcept.h (__throw_ios_failure(const char*, int)):
2277         Declare new overload.
2278         * src/c++11/cxx11-ios_failure.cc (__ios_failure): Add new constructor
2279         and static member function.
2280         (__throw_ios_failure(const char*, int)): Define.
2281         * src/c++98/ios_failure.cc [!_GLIBCXX_USE_DUAL_ABI]
2282         (__throw_ios_failure(const char*, int)): Define.
2283
2284 2018-08-14  Jeremy Sawicki  <jeremy-gcc@sawicki.us>
2285
2286         * include/ext/rope (_Rope_iterator_base(const _Rope_iterator_base&))
2287         (_Rope_const_iterator::operator=(const _Rope_const_iterator&))
2288         (_Rope_iterator::operator=(const _Rope_iterator&)): Ensure
2289         copied/assigned rope iterators don't retain pointers to the iterator
2290         they were copied/assigned from.
2291         * testsuite/ext/rope/7.cc: New.
2292
2293 2018-08-13  Jonathan Wakely  <jwakely@redhat.com>
2294
2295         PR libstdc++/45093
2296         * include/bits/stl_tree.h (_Rb_tree::_M_destroy_node(_Link_type)):
2297         Combine definitions to avoid --detect-odr-violations warning.
2298
2299         * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Use
2300         __is_pow2 to check for valid alignment. Avoid branching when rounding
2301         size to multiple of alignment.
2302
2303         * include/Makefile.am: Install <bit> and <version> for freestanding.
2304         * include/Makefile.in: Regenerate.
2305         * testsuite/17_intro/freestanding.cc: Check for <bit> and <version>.
2306
2307         Revert
2308         2018-08-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
2309
2310         PR target/85904
2311         * configure.ac: Define HAVE_ALIGNED_ALLOC if building for
2312         Newlib.
2313         * configure: Regenerate.
2314
2315 2018-08-10  Jonathan Wakely  <jwakely@redhat.com>
2316
2317         PR libstdc++/68210
2318         * doc/xml/manual/intro.xml: Document LWG 206 change.
2319         * libsupc++/del_op.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
2320         * libsupc++/del_opa.cc: Likewise.
2321         * libsupc++/del_opant.cc: Likewise.
2322         * libsupc++/del_opnt.cc: Likewise. Call operator delete(ptr) instead
2323         of free(ptr).
2324         * libsupc++/del_ops.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
2325         * libsupc++/del_opsa.cc: Likewise.
2326         * libsupc++/del_opva.cc: Likewise.
2327         * libsupc++/del_opvant.cc: Likewise.
2328         * libsupc++/del_opvnt.cc: Likewise. Call operator delete[](ptr)
2329         instead of operator delete(ptr).
2330         * libsupc++/del_opvs.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
2331         * libsupc++/del_opvsa.cc: Likewise.
2332         * libsupc++/new_op.cc: Use __builtin_expect in check for zero size.
2333         * libsupc++/new_opa.cc: Use nullptr instead of literal 0.
2334         * libsupc++/new_opant.cc: Likewise. Replace _GLIBCXX_USE_NOEXCEPT
2335         with noexcept.
2336         * libsupc++/new_opnt.cc: Likewise. Call operator new(sz) instead of
2337         malloc(sz).
2338         * libsupc++/new_opvant.cc: Use nullptr and noexcept.
2339         * libsupc++/new_opvnt.cc: Likewise. Call operator new[](sz) instead of
2340         operator new(sz, nothrow).
2341         * testsuite/18_support/new_nothrow.cc: New test.
2342
2343 2018-08-10  Martin Liska  <mliska@suse.cz>
2344
2345         * libsupc++/new_op.cc (new): Remove __builtin_expect as malloc
2346         predictor can handle that.
2347         * libsupc++/new_opa.cc: Likewise.
2348         * libsupc++/new_opnt.cc (new): Likewise.
2349
2350 2018-08-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
2351
2352         PR target/85904
2353         * configure.ac: Define HAVE_ALIGNED_ALLOC if building for
2354         Newlib.
2355         * configure: Regenerate.
2356
2357 2018-08-10  Jonathan Wakely  <jwakely@redhat.com>
2358
2359         * include/std/deque (std::pmr::deque): Declare alias.
2360         * include/std/forward_list (std::pmr::forward_list): Likewise.
2361         * include/std/list (std::pmr::list): Likewise.
2362         * include/std/map (std::pmr::map, std::pmr::multimap): Likewise.
2363         * include/std/regex (std::pmr::match_results, std::pmr::cmatch)
2364         (std::pmr::smatch, std::pmr::wcmatch, std::pmr::wsmatch): Likewise.
2365         * include/std/set (std::pmr::set, std::pmr::multiset): Likewise.
2366         * include/std/string (std::pmr::basic_string, std::pmr::string)
2367         (std::pmr::u16string, std::pmr::u32string, std::pmr::wstring):
2368         Likewise.
2369         * include/std/unordered_map (std::pmr::unordered_map)
2370         (std::pmr::unordered_multimap): Likewise.
2371         * include/std/unordered_set (std::pmr::unordered_set)
2372         (std::pmr::unordered_multiset): Likewise.
2373         * include/std/vector (std::pmr::vector): Likewise.
2374         * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: New test.
2375         * testsuite/23_containers/deque/types/pmr_typedefs.cc: New test.
2376         * testsuite/23_containers/forward_list/pmr_typedefs.cc: New test.
2377         * testsuite/23_containers/list/pmr_typedefs.cc: New test.
2378         * testsuite/23_containers/map/pmr_typedefs.cc: New test.
2379         * testsuite/23_containers/multimap/pmr_typedefs.cc: New test.
2380         * testsuite/23_containers/multiset/pmr_typedefs.cc: New test.
2381         * testsuite/23_containers/set/pmr_typedefs.cc: New test.
2382         * testsuite/23_containers/unordered_map/pmr_typedefs.cc: New test.
2383         * testsuite/23_containers/unordered_multimap/pmr_typedefs.cc: New
2384         test.
2385         * testsuite/23_containers/unordered_multiset/pmr_typedefs.cc: New
2386         test.
2387         * testsuite/23_containers/unordered_set/pmr_typedefs.cc: New test.
2388         * testsuite/23_containers/vector/pmr_typedefs.cc: New test.
2389         * testsuite/28_regex/match_results/pmr_typedefs.cc: New test.
2390
2391 2018-08-08  François Dumont  <fdumont@gcc.gnu.org>
2392
2393         * include/bits/stl_algo.h
2394         (__rotate(_Ite, _Ite, _Ite, forward_iterator_tag))
2395         (__rotate(_Ite, _Ite, _Ite, bidirectional_iterator_tag))
2396         (__rotate(_Ite, _Ite, _Ite, random_access_iterator_tag)): Move code
2397         duplication...
2398         (rotate(_Ite, _Ite, _Ite)): ...here.
2399         (__stable_partition_adaptive(_FIt, _FIt, _Pred, _Dist, _Pointer, _Dist)):
2400         Simplify rotate call.
2401         (__rotate_adaptive(_BIt1, _BIt1, _BIt1, _Dist, _Dist, _Bit2, _Dist)):
2402         Likewise.
2403         (__merge_without_buffer(_BIt, _BIt, _BIt, _Dist, _Dist, _Comp)):
2404         Likewise.
2405
2406 2018-08-08  Jonathan Wakely  <jwakely@redhat.com>
2407
2408         * libsupc++/new_opa.cc (aligned_alloc): Declare inside namespace to
2409         avoid clashing with an ::aligned_alloc function that was not detected
2410         by configure.
2411
2412         * doc/xml/manual/using.xml: Fix markup for empty table entry.
2413         * doc/html/*: Regenerate.
2414
2415         * doc/xml/manual/using.xml: Add missing header to table and fix typo.
2416         * doc/html/*: Regenerate.
2417
2418         PR libstdc++/86597
2419         * include/bits/fs_dir.h (directory_entry::_M_file_type(error_code&)):
2420         Clear error_code when cached type is used.
2421         * testsuite/27_io/filesystem/directory_entry/86597.cc: New test.
2422
2423 2018-08-07  Jonathan Wakely  <jwakely@redhat.com>
2424
2425         PR libstdc++/86874
2426         * include/std/variant (_Copy_ctor_base::_M_destructive_move): Define
2427         here instead of in _Move_assign_base.
2428         (_Copy_ctor_base<true, _Types...>::_M_destructive_move): Define.
2429         (_Copy_assign_base::operator=): Use _M_destructive_move when changing
2430         the contained value to another alternative.
2431         (_Move_assign_base::operator=): Likewise.
2432         (_Move_assign_base::_M_destructive_move): Remove.
2433         * testsuite/20_util/variant/86874.cc: New test.
2434
2435         PR libstdc++/86861
2436         * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] (aligned_alloc):
2437         Replace macro with inline function.
2438         [__sun]: Increase alignment to meet memalign precondition.
2439         [!HAVE__ALIGNED_MALLOC && !HAVE_POSIX_MEMALIGN && !HAVE_MEMALIGN]
2440         (aligned_alloc): Move check for valid alignment to operator new.
2441         Remove redundant check for non-zero size, it's enforced by the caller.
2442         (operator new): Move check for valid alignment here. Use
2443         __builtin_expect on check for zero size.
2444
2445         * config/abi/pre/gnu.ver: Export monotonic_buffer_resource members.
2446         * include/std/memory_resource (monotonic_buffer_resource::release):
2447         Call _M_release_buffers to free buffers.
2448         (monotonic_buffer_resource::do_allocate): Call _M_new_buffer to
2449         allocate a new buffer from upstream.
2450         (monotonic_buffer_resource::_M_new_buffer): Declare.
2451         (monotonic_buffer_resource::_M_release_buffers): Declare.
2452         (monotonic_buffer_resource::_Chunk): Replace definition with
2453         declaration as opaque type.
2454         * src/c++17/memory_resource.cc (monotonic_buffer_resource::_Chunk):
2455         Define.
2456         (monotonic_buffer_resource::_M_new_buffer): Define.
2457         (monotonic_buffer_resource::_M_release_buffers): Define.
2458
2459 2018-08-05  François Dumont  <fdumont@gcc.gnu.org>
2460
2461         * include/bits/stl_iterator.h: Fix comment.
2462
2463 2018-08-03  Jonathan Wakely  <jwakely@redhat.com>
2464
2465         * src/c++11/system_error.cc
2466         (system_error_category::default_error_condition): Add workaround for
2467         ENOTEMPTY and EEXIST having the same value on AIX.
2468         * testsuite/19_diagnostics/error_category/system_category.cc: Add
2469         extra testcases for EDOM, EILSEQ, ERANGE, EEXIST and ENOTEMPTY.
2470
2471 2018-08-01  Jonathan Wakely  <jwakely@redhat.com>
2472
2473         * configure: Regenerate.
2474         * configure.ac: Add -D_GLIBCXX_ASSERTIONS to default DEBUG_FLAGS.
2475         * src/c++11/futex.cc: Use __glibcxx_assert instead of
2476         _GLIBCXX_DEBUG_ASSERT.
2477
2478 2018-08-01  Mike Crowe  <mac@mcrowe.com>
2479
2480         * include/std/condition_variable (wait_for): Use steady_clock.
2481
2482 2018-08-01  Mike Crowe  <mac@mcrowe.com>
2483
2484         * include/std/condition_variable (wait_until): Only report timeout
2485         if we really have timed out when measured against the
2486         caller-supplied clock.
2487         * testsuite/30_threads/condition_variable/members/2.cc: Add test
2488         case to confirm above behaviour.
2489
2490 2018-08-01  Jonathan Wakely  <jwakely@redhat.com>
2491
2492         PR libstdc++/60555
2493         * src/c++11/system_error.cc
2494         (system_error_category::default_error_condition): New override to
2495         check for POSIX errno values.
2496         * testsuite/19_diagnostics/error_category/generic_category.cc: New
2497         * testsuite/19_diagnostics/error_category/system_category.cc: New
2498         test.
2499
2500 2018-07-31  Jonathan Wakely  <jwakely@redhat.com>
2501
2502         PR libstdc++/86751
2503         * include/bits/stl_pair.h (__pair_base): New class with deleted copy
2504         assignment operator.
2505         (pair): Derive from __pair_base.
2506         (pair::operator=): Remove deleted overload.
2507         * python/libstdcxx/v6/printers.py (StdPairPrinter): New pretty printer
2508         so that new base class isn't shown in GDB.
2509         * testsuite/20_util/pair/86751.cc: New test.
2510         * testsuite/20_util/pair/ref_assign.cc: New test.
2511
2512         * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
2513         (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Move definitions here.
2514         (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Likewise. Use !__is_identifier
2515         instead of __has_builtin.
2516         * include/std/type_traits (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
2517         (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Remove definitions from here.
2518         * include/std/version [!_GLIBCXX_HAS_GTHREADS]
2519         (__cpp_lib_shared_timed_mutex, __cpp_lib_scoped_lock)
2520         (__cpp_lib_shared_mutex): Don't define when Gthreads not in use.
2521         [!_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP]
2522         (__cpp_lib_has_unique_object_representations): Don't define when
2523         builtin not available.
2524         [!_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE] (__cpp_lib_is_aggregate):
2525         Likewise.
2526         [!_GLIBCXX_HAVE_BUILTIN_LAUNDER] (__cpp_lib_launder): Likewise.
2527         * libsupc++/new (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Remove definition
2528         from here.
2529
2530         * doc/xml/manual/test.xml: Improve documentation on writing tests for
2531         newer standards.
2532         * doc/xml/manual/using.xml: Document all headers for C++11 and later.
2533         * doc/html/*: Regenerate.
2534
2535         * include/ext/pointer.h [__cplusplus >= 201103L]
2536         (_Pointer_adapter::operator bool): Add explicit conversion operator
2537         to replace safe bool idiom.
2538
2539 2018-07-30  Jonathan Wakely  <jwakely@redhat.com>
2540
2541         PR libstdc++/86734
2542         * include/bits/stl_iterator.h (reverse_iterator::operator->): Call
2543         _S_to_pointer (LWG 1052, LWG 2118).
2544         (reverse_iterator::_S_to_pointer): Define overloaded helper functions.
2545         * testsuite/24_iterators/reverse_iterator/dr1052.cc: New test.
2546         * testsuite/24_iterators/reverse_iterator/dr2188.cc: New test.
2547
2548         * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Add
2549         workaround for aligned_alloc bug on AIX.
2550         * testsuite/18_support/new_aligned.cc: New test.
2551
2552 2018-07-26  Marek Polacek  <polacek@redhat.com>
2553
2554         * testsuite/30_threads/condition_variable_any/cond.cc: New.
2555
2556 2018-07-26  Marek Polacek  <polacek@redhat.com>
2557
2558         * src/c++98/locale_init.cc: Fix #ifdef condition.
2559
2560 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
2561
2562         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: Add
2563         dg-require-cstdint directive.
2564         * testsuite/20_util/allocator/overaligned.cc: Likewise.
2565         * testsuite/20_util/any/cons/aligned.cc: Likewise.
2566         * testsuite/20_util/monotonic_buffer_resource/allocate.cc: Likewise.
2567         * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: Likewise.
2568         * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc:
2569         Likewise.
2570         * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
2571         * testsuite/23_containers/list/modifiers/insert/25288.cc: Likewise.
2572         * testsuite/23_containers/set/allocator/move_assign.cc: Likewise.
2573         * testsuite/25_algorithms/make_heap/complexity.cc: Likewise.
2574         * testsuite/25_algorithms/pop_heap/complexity.cc: Require cstdint and
2575         random_device effective-target.
2576         * testsuite/25_algorithms/push_heap/complexity.cc: Likewise.
2577         * testsuite/25_algorithms/sample/1.cc: Require cstdint.
2578         * testsuite/25_algorithms/sample/2.cc: Likewise.
2579         * testsuite/25_algorithms/sort_heap/complexity.cc: Require cstdint
2580         and random_device.
2581         * testsuite/26_numerics/headers/random/types_std_c++0x.cc: Require
2582         cstdint.
2583         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
2584         Likewise.
2585         * testsuite/26_numerics/random/discard_block_engine/requirements/
2586         constexpr_data.cc: Likewise.
2587         * testsuite/26_numerics/random/discard_block_engine/requirements/
2588         constexpr_functions.cc: Likewise.
2589         * testsuite/26_numerics/random/independent_bits_engine/requirements/
2590         constexpr_functions.cc: Likewise.
2591         * testsuite/26_numerics/random/linear_congruential_engine/requirements/
2592         constexpr_data.cc: Likewise.
2593         * testsuite/26_numerics/random/linear_congruential_engine/requirements/
2594         constexpr_functions.cc: Likewise.
2595         * testsuite/26_numerics/random/mersenne_twister_engine/requirements/
2596         constexpr_data.cc: Likewise.
2597         * testsuite/26_numerics/random/mersenne_twister_engine/requirements/
2598         constexpr_functions.cc: Likewise.
2599         * testsuite/26_numerics/random/pr60037-neg.cc: Likewise.
2600         * testsuite/26_numerics/random/seed_seq/cons/65631.cc: Likewise.
2601         * testsuite/26_numerics/random/shuffle_order_engine/requirements/
2602         constexpr_data.cc: Add dg-require-cstdint directive.
2603         * testsuite/26_numerics/random/shuffle_order_engine/requirements/
2604         constexpr_functions.cc: Likewise.
2605         * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/
2606         constexpr_data.cc: Likewise.
2607         * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/
2608         constexpr_functions.cc: Likewise.
2609         * testsuite/26_numerics/random/uniform_real_distribution/operators/
2610         64351.cc: Likewise.
2611         * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc: Likewise.
2612         * testsuite/experimental/algorithm/sample-2.cc: Likewise.
2613         * testsuite/experimental/algorithm/sample.cc: Likewise.
2614         * testsuite/experimental/algorithm/search.cc: Likewise.
2615         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
2616         * testsuite/experimental/any/cons/aligned.cc: Likewise.
2617         * testsuite/experimental/memory_resource/new_delete_resource.cc:
2618         Likewise.
2619         * testsuite/experimental/memory_resource/resource_adaptor.cc: Likewise.
2620         * testsuite/experimental/random/randint.cc: Likewise.
2621         * testsuite/experimental/source_location/1.cc: Likewise.
2622         * testsuite/ext/bitmap_allocator/overaligned.cc: Likewise.
2623         * testsuite/ext/malloc_allocator/overaligned.cc: Likewise.
2624         * testsuite/ext/mt_allocator/overaligned.cc: Likewise.
2625         * testsuite/ext/new_allocator/overaligned.cc: Likewise.
2626         * testsuite/ext/pb_ds/regression/hash_map_rand.cc: Likewise.
2627         * testsuite/ext/pb_ds/regression/hash_set_rand.cc: Likewise.
2628         * testsuite/ext/pb_ds/regression/list_update_map_rand.cc: Likewise.
2629         * testsuite/ext/pb_ds/regression/list_update_set_rand.cc: Likewise.
2630         * testsuite/ext/pb_ds/regression/priority_queue_rand.cc: Likewise.
2631         * testsuite/ext/pb_ds/regression/tree_map_rand.cc: Likewise.
2632         * testsuite/ext/pb_ds/regression/tree_set_rand.cc: Likewise.
2633         * testsuite/ext/pb_ds/regression/trie_map_rand.cc: Likewise.
2634         * testsuite/ext/pb_ds/regression/trie_set_rand.cc: Likewise.
2635         * testsuite/ext/pool_allocator/overaligned.cc: Likewise.
2636         * testsuite/ext/throw_allocator/check_allocate_max_size.cc: Likewise.
2637         * testsuite/ext/throw_allocator/check_deallocate_null.cc: Likewise.
2638         * testsuite/ext/throw_allocator/check_delete.cc: Likewise.
2639         * testsuite/ext/throw_allocator/check_new.cc: Likewise.
2640         * testsuite/ext/throw_allocator/deallocate_global.cc: Likewise.
2641         * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
2642         * testsuite/ext/throw_allocator/explicit_instantiation.cc: Likewise.
2643         * testsuite/ext/throw_allocator/variadic_construct.cc: Likewise.
2644         * testsuite/tr1/8_c_compatibility/cinttypes/functions.cc: Likewise.
2645
2646         * testsuite/30_threads/recursive_mutex/cons/1.cc: Likewise.
2647         * testsuite/30_threads/recursive_mutex/cons/assign_neg.cc: Likewise.
2648         * testsuite/30_threads/recursive_mutex/cons/copy_neg.cc: Likewise.
2649         * testsuite/30_threads/recursive_mutex/dest/destructor_locked.cc:
2650         Likewise.
2651         * testsuite/30_threads/recursive_mutex/lock/1.cc: Likewise.
2652         * testsuite/30_threads/recursive_mutex/native_handle/1.cc: Likewise.
2653         * testsuite/30_threads/recursive_mutex/native_handle/typesizes.cc:
2654         Likewise.
2655         * testsuite/30_threads/recursive_mutex/requirements/standard_layout.cc:
2656         Likewise.
2657         * testsuite/30_threads/recursive_mutex/requirements/typedefs.cc:
2658         Likewise.
2659         * testsuite/30_threads/recursive_mutex/try_lock/1.cc: Likewise.
2660         * testsuite/30_threads/recursive_mutex/try_lock/2.cc: Likewise.
2661         * testsuite/30_threads/recursive_mutex/unlock/1.cc: Likewise.
2662         * testsuite/30_threads/recursive_mutex/unlock/2.cc: Likewise.
2663         * testsuite/30_threads/recursive_timed_mutex/cons/1.cc: Likewise.
2664         * testsuite/30_threads/recursive_timed_mutex/cons/assign_neg.cc:
2665         Likewise.
2666         * testsuite/30_threads/recursive_timed_mutex/cons/copy_neg.cc:
2667         Likewise.
2668         * testsuite/30_threads/recursive_timed_mutex/dest/
2669         destructor_locked.cc: Likewise.
2670         * testsuite/30_threads/recursive_timed_mutex/lock/1.cc: Likewise.
2671         * testsuite/30_threads/recursive_timed_mutex/lock/2.cc: Likewise.
2672         * testsuite/30_threads/recursive_timed_mutex/native_handle/1.cc:
2673         Likewise.
2674         * testsuite/30_threads/recursive_timed_mutex/native_handle/
2675         typesizes.cc: Likewise.
2676         * testsuite/30_threads/recursive_timed_mutex/requirements/typedefs.cc:
2677         Likewise.
2678         * testsuite/30_threads/recursive_timed_mutex/try_lock/1.cc:
2679         Likewise.
2680         * testsuite/30_threads/recursive_timed_mutex/try_lock/2.cc:
2681         Likewise.
2682         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/1.cc:
2683         Likewise.
2684         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/2.cc:
2685         Likewise.
2686         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/3.cc:
2687         Likewise.
2688         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/1.cc:
2689         Likewise.
2690         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/2.cc:
2691         Likewise.
2692         * testsuite/30_threads/recursive_timed_mutex/unlock/1.cc: Likewise.
2693         * testsuite/30_threads/recursive_timed_mutex/unlock/2.cc: Likewise.
2694         * testsuite/30_threads/scoped_lock/cons/1.cc: Likewise.
2695         * testsuite/30_threads/scoped_lock/requirements/
2696         explicit_instantiation.cc: Likewise.
2697         * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Likewise.
2698         * testsuite/30_threads/shared_future/cons/assign.cc: Likewise.
2699         * testsuite/30_threads/shared_future/cons/constexpr.cc: Likewise.
2700         * testsuite/30_threads/shared_future/cons/copy.cc: Likewise.
2701         * testsuite/30_threads/shared_future/cons/default.cc: Likewise.
2702         * testsuite/30_threads/shared_future/cons/move.cc: Likewise.
2703         * testsuite/30_threads/shared_future/cons/move_assign.cc: Likewise.
2704         * testsuite/30_threads/shared_future/members/45133.cc: Likewise.
2705         * testsuite/30_threads/shared_future/members/get.cc: Likewise.
2706         * testsuite/30_threads/shared_future/members/get2.cc: Likewise.
2707         * testsuite/30_threads/shared_future/members/valid.cc: Likewise.
2708         * testsuite/30_threads/shared_future/members/wait.cc: Likewise.
2709         * testsuite/30_threads/shared_future/members/wait_for.cc: Likewise.
2710         * testsuite/30_threads/shared_future/members/wait_until.cc: Likewise.
2711         * testsuite/30_threads/shared_future/requirements/
2712         explicit_instantiation.cc: Likewise.
2713         * testsuite/30_threads/shared_lock/cons/1.cc: Likewise.
2714         * testsuite/30_threads/shared_lock/cons/2.cc: Likewise.
2715         * testsuite/30_threads/shared_lock/cons/3.cc: Likewise.
2716         * testsuite/30_threads/shared_lock/cons/4.cc: Likewise.
2717         * testsuite/30_threads/shared_lock/cons/5.cc: Likewise.
2718         * testsuite/30_threads/shared_lock/cons/6.cc: Likewise.
2719         * testsuite/30_threads/shared_lock/locking/1.cc: Likewise.
2720         * testsuite/30_threads/shared_lock/locking/2.cc: Likewise.
2721         * testsuite/30_threads/shared_lock/locking/3.cc: Likewise.
2722         * testsuite/30_threads/shared_lock/locking/4.cc: Likewise.
2723         * testsuite/30_threads/shared_lock/modifiers/1.cc: Likewise.
2724         * testsuite/30_threads/shared_lock/requirements/
2725         explicit_instantiation.cc: Likewise.
2726         * testsuite/30_threads/shared_lock/requirements/typedefs.cc: Likewise.
2727         * testsuite/30_threads/shared_mutex/cons/1.cc: Likewise.
2728         * testsuite/30_threads/shared_mutex/cons/assign_neg.cc: Likewise.
2729         * testsuite/30_threads/shared_mutex/cons/copy_neg.cc: Likewise.
2730         * testsuite/30_threads/shared_mutex/requirements/standard_layout.cc:
2731         Likewise.
2732         * testsuite/30_threads/shared_mutex/try_lock/1.cc: Likewise.
2733         * testsuite/30_threads/shared_mutex/try_lock/2.cc: Likewise.
2734         * testsuite/30_threads/shared_mutex/unlock/1.cc: Likewise.
2735         * testsuite/30_threads/shared_timed_mutex/cons/1.cc: Likewise.
2736         * testsuite/30_threads/shared_timed_mutex/cons/assign_neg.cc: Likewise.
2737         * testsuite/30_threads/shared_timed_mutex/cons/copy_neg.cc: Likewise.
2738         * testsuite/30_threads/shared_timed_mutex/requirements/
2739         standard_layout.cc: Likewise.
2740         * testsuite/30_threads/shared_timed_mutex/try_lock/1.cc: Likewise.
2741         * testsuite/30_threads/shared_timed_mutex/try_lock/2.cc: Likewise.
2742         * testsuite/30_threads/shared_timed_mutex/try_lock/3.cc: Likewise.
2743         * testsuite/30_threads/shared_timed_mutex/unlock/1.cc: Likewise.
2744         * testsuite/30_threads/this_thread/1.cc: Likewise.
2745         * testsuite/30_threads/this_thread/2.cc: Likewise.
2746         * testsuite/30_threads/this_thread/3.cc: Likewise.
2747         * testsuite/30_threads/this_thread/4.cc: Likewise.
2748         * testsuite/30_threads/this_thread/58038.cc: Likewise.
2749         * testsuite/30_threads/thread/70503.cc: Likewise.
2750         * testsuite/30_threads/thread/84532.cc: Likewise.
2751         * testsuite/30_threads/thread/adl.cc: Likewise.
2752         * testsuite/30_threads/thread/cons/1.cc: Likewise.
2753         * testsuite/30_threads/thread/cons/2.cc: Likewise.
2754         * testsuite/30_threads/thread/cons/3.cc: Likewise.
2755         * testsuite/30_threads/thread/cons/4.cc: Likewise.
2756         * testsuite/30_threads/thread/cons/49668.cc: Likewise.
2757         * testsuite/30_threads/thread/cons/5.cc: Likewise.
2758         * testsuite/30_threads/thread/cons/6.cc: Likewise.
2759         * testsuite/30_threads/thread/cons/7.cc: Likewise.
2760         * testsuite/30_threads/thread/cons/8.cc: Likewise.
2761         * testsuite/30_threads/thread/cons/84535.cc: Likewise.
2762         * testsuite/30_threads/thread/cons/9.cc: Likewise.
2763         * testsuite/30_threads/thread/cons/assign_neg.cc: Likewise.
2764         * testsuite/30_threads/thread/cons/copy_neg.cc: Likewise.
2765         * testsuite/30_threads/thread/cons/lwg2097.cc: Likewise.
2766         * testsuite/30_threads/thread/cons/moveable.cc: Likewise.
2767         * testsuite/30_threads/thread/cons/terminate.cc: Likewise.
2768         * testsuite/30_threads/thread/id/operators.cc: Likewise.
2769         * testsuite/30_threads/thread/members/1.cc: Likewise.
2770         * testsuite/30_threads/thread/members/2.cc: Likewise.
2771         * testsuite/30_threads/thread/members/3.cc: Likewise.
2772         * testsuite/30_threads/thread/members/4.cc: Likewise.
2773         * testsuite/30_threads/thread/members/5.cc: Likewise.
2774         * testsuite/30_threads/thread/members/hardware_concurrency.cc:
2775         Likewise.
2776         * testsuite/30_threads/thread/native_handle/cancel.cc: Likewise.
2777         * testsuite/30_threads/thread/swap/1.cc: Likewise.
2778         * testsuite/30_threads/timed_mutex/cons/1.cc: Likewise.
2779         * testsuite/30_threads/timed_mutex/cons/assign_neg.cc: Likewise.
2780         * testsuite/30_threads/timed_mutex/cons/copy_neg.cc: Likewise.
2781         * testsuite/30_threads/timed_mutex/dest/destructor_locked.cc: Likewise.
2782         * testsuite/30_threads/timed_mutex/lock/1.cc: Likewise.
2783         * testsuite/30_threads/timed_mutex/native_handle/1.cc: Likewise.
2784         * testsuite/30_threads/timed_mutex/native_handle/typesizes.cc:
2785         Likewise.
2786         * testsuite/30_threads/timed_mutex/requirements/
2787         standard_layout.cc: Likewise.
2788         * testsuite/30_threads/timed_mutex/requirements/typedefs.cc: Likewise.
2789         * testsuite/30_threads/timed_mutex/try_lock/1.cc: Likewise.
2790         * testsuite/30_threads/timed_mutex/try_lock/2.cc: Likewise.
2791         * testsuite/30_threads/timed_mutex/try_lock_for/1.cc: Likewise.
2792         * testsuite/30_threads/timed_mutex/try_lock_for/2.cc: Likewise.
2793         * testsuite/30_threads/timed_mutex/try_lock_for/3.cc: Likewise.
2794         * testsuite/30_threads/timed_mutex/try_lock_until/1.cc: Likewise.
2795         * testsuite/30_threads/timed_mutex/try_lock_until/2.cc: Likewise.
2796         * testsuite/30_threads/timed_mutex/try_lock_until/57641.cc: Likewise.
2797         * testsuite/30_threads/timed_mutex/unlock/1.cc: Likewise.
2798         * testsuite/30_threads/timed_mutex/unlock/2.cc: Likewise.
2799         * testsuite/30_threads/try_lock/1.cc: Likewise.
2800         * testsuite/30_threads/try_lock/2.cc: Likewise.
2801         * testsuite/30_threads/try_lock/3.cc: Likewise.
2802         * testsuite/30_threads/try_lock/4.cc: Likewise.
2803         * testsuite/30_threads/unique_lock/cons/1.cc: Likewise.
2804         * testsuite/30_threads/unique_lock/cons/2.cc: Likewise.
2805         * testsuite/30_threads/unique_lock/cons/3.cc: Likewise.
2806         * testsuite/30_threads/unique_lock/cons/4.cc: Likewise.
2807         * testsuite/30_threads/unique_lock/cons/5.cc: Likewise.
2808         * testsuite/30_threads/unique_lock/cons/6.cc: Likewise.
2809         * testsuite/30_threads/unique_lock/locking/1.cc: Likewise.
2810         * testsuite/30_threads/unique_lock/locking/2.cc: Likewise.
2811         * testsuite/30_threads/unique_lock/locking/3.cc: Likewise.
2812         * testsuite/30_threads/unique_lock/locking/4.cc: Likewise.
2813         * testsuite/30_threads/unique_lock/modifiers/1.cc: Likewise.
2814         * testsuite/30_threads/unique_lock/requirements/
2815         explicit_instantiation.cc: Likewise.
2816         * testsuite/30_threads/unique_lock/requirements/typedefs.cc: Likewise.
2817
2818         * testsuite/30_threads/async/42819.cc: Remove dg-require-cstdint
2819         directive.
2820         * testsuite/30_threads/async/49668.cc: Likewise.
2821         * testsuite/30_threads/async/54297.cc: Likewise.
2822         * testsuite/30_threads/async/84532.cc: Likewise.
2823         * testsuite/30_threads/async/any.cc: Likewise.
2824         * testsuite/30_threads/async/async.cc: Likewise.
2825         * testsuite/30_threads/async/except.cc: Likewise.
2826         * testsuite/30_threads/async/forced_unwind.cc: Likewise.
2827         * testsuite/30_threads/async/launch.cc: Likewise.
2828         * testsuite/30_threads/async/lwg2021.cc: Likewise.
2829         * testsuite/30_threads/async/sync.cc: Likewise.
2830         * testsuite/30_threads/call_once/39909.cc: Likewise.
2831         * testsuite/30_threads/call_once/49668.cc: Likewise.
2832         * testsuite/30_threads/call_once/60497.cc: Likewise.
2833         * testsuite/30_threads/call_once/call_once1.cc: Likewise.
2834         * testsuite/30_threads/call_once/constexpr.cc: Likewise.
2835         * testsuite/30_threads/call_once/dr2442.cc: Likewise.
2836         * testsuite/30_threads/call_once/once_flag.cc: Likewise.
2837         * testsuite/30_threads/condition_variable/54185.cc: Likewise.
2838         * testsuite/30_threads/condition_variable/cons/1.cc: Likewise.
2839         * testsuite/30_threads/condition_variable/cons/assign_neg.cc:
2840         Likewise.
2841         * testsuite/30_threads/condition_variable/cons/copy_neg.cc: Likewise.
2842         * testsuite/30_threads/condition_variable/members/1.cc: Likewise.
2843         * testsuite/30_threads/condition_variable/members/2.cc: Likewise.
2844         * testsuite/30_threads/condition_variable/members/3.cc: Likewise.
2845         * testsuite/30_threads/condition_variable/members/53841.cc: Likewise.
2846         * testsuite/30_threads/condition_variable/members/68519.cc: Likewise.
2847         * testsuite/30_threads/condition_variable/native_handle/typesizes.cc:
2848         Likewise.
2849         * testsuite/30_threads/condition_variable/requirements/
2850         standard_layout.cc: Likewise.
2851         * testsuite/30_threads/condition_variable/requirements/typedefs.cc:
2852         * Likewise.
2853         * testsuite/30_threads/condition_variable_any/50862.cc: Likewise.
2854         * testsuite/30_threads/condition_variable_any/53830.cc: Likewise.
2855         * testsuite/30_threads/condition_variable_any/cons/1.cc: Likewise.
2856         * testsuite/30_threads/condition_variable_any/cons/assign_neg.cc:
2857         Likewise.
2858         * testsuite/30_threads/condition_variable_any/cons/copy_neg.cc:
2859         Likewise.
2860         * testsuite/30_threads/condition_variable_any/members/1.cc: Likewise.
2861         * testsuite/30_threads/condition_variable_any/members/2.cc: Likewise.
2862         * testsuite/30_threads/future/cons/assign_neg.cc: Likewise.
2863         * testsuite/30_threads/future/cons/constexpr.cc: Likewise.
2864         * testsuite/30_threads/future/cons/copy_neg.cc: Likewise.
2865         * testsuite/30_threads/future/cons/default.cc: Likewise.
2866         * testsuite/30_threads/future/cons/move.cc: Likewise.
2867         * testsuite/30_threads/future/cons/move_assign.cc: Likewise.
2868         * testsuite/30_threads/future/members/45133.cc: Likewise.
2869         * testsuite/30_threads/future/members/get.cc: Likewise.
2870         * testsuite/30_threads/future/members/get2.cc: Likewise.
2871         * testsuite/30_threads/future/members/share.cc: Likewise.
2872         * testsuite/30_threads/future/members/valid.cc: Likewise.
2873         * testsuite/30_threads/future/members/wait.cc: Likewise.
2874         * testsuite/30_threads/future/members/wait_for.cc: Likewise.
2875         * testsuite/30_threads/future/members/wait_until.cc: Likewise.
2876         * testsuite/30_threads/future/requirements/explicit_instantiation.cc:
2877         Likewise.
2878         * testsuite/30_threads/headers/condition_variable/types_std_c++0x.cc:
2879         Likewise.
2880         * testsuite/30_threads/headers/future/types_std_c++0x.cc: Likewise.
2881         * testsuite/30_threads/headers/mutex/types_std_c++0x.cc: Likewise.
2882         * testsuite/30_threads/headers/thread/std_c++0x_neg.cc: Likewise.
2883         * testsuite/30_threads/headers/thread/types_std_c++0x.cc: Likewise.
2884         * testsuite/30_threads/lock/1.cc: Likewise.
2885         * testsuite/30_threads/lock/2.cc: Likewise.
2886         * testsuite/30_threads/lock/3.cc: Likewise.
2887         * testsuite/30_threads/lock/4.cc: Likewise.
2888         * testsuite/30_threads/lock_guard/cons/1.cc: Likewise.
2889         * testsuite/30_threads/lock_guard/requirements/
2890         explicit_instantiation.cc: Likewise.
2891         * testsuite/30_threads/lock_guard/requirements/typedefs.cc: Likewise.
2892         * testsuite/30_threads/mutex/cons/1.cc: Likewise.
2893         * testsuite/30_threads/mutex/cons/assign_neg.cc: Likewise.
2894         * testsuite/30_threads/mutex/cons/constexpr.cc: Likewise.
2895         * testsuite/30_threads/mutex/cons/copy_neg.cc: Likewise.
2896         * testsuite/30_threads/mutex/dest/destructor_locked.cc: Likewise.
2897         * testsuite/30_threads/mutex/lock/1.cc: Likewise.
2898         * testsuite/30_threads/mutex/native_handle/1.cc: Likewise.
2899         * testsuite/30_threads/mutex/native_handle/typesizes.cc: Likewise.
2900         * testsuite/30_threads/mutex/requirements/standard_layout.cc::
2901         Likewise.
2902         * testsuite/30_threads/mutex/requirements/typedefs.cc: Likewise.
2903         * testsuite/30_threads/mutex/try_lock/1.cc: Likewise.
2904         * testsuite/30_threads/mutex/try_lock/2.cc: Likewise.
2905         * testsuite/30_threads/mutex/unlock/1.cc: Likewise.
2906         * testsuite/30_threads/mutex/unlock/2.cc: Likewise.
2907         * testsuite/30_threads/once_flag/cons/constexpr.cc: Likewise.
2908         * testsuite/30_threads/packaged_task/49668.cc: Likewise.
2909         * testsuite/30_threads/packaged_task/60564.cc: Likewise.
2910         * testsuite/30_threads/packaged_task/cons/1.cc: Likewise.
2911         * testsuite/30_threads/packaged_task/cons/2.cc: Likewise.
2912         * testsuite/30_threads/packaged_task/cons/3.cc: Likewise.
2913         * testsuite/30_threads/packaged_task/cons/56492.cc: Likewise.
2914         * testsuite/30_threads/packaged_task/cons/alloc.cc: Likewise.
2915         * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
2916         * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
2917         * testsuite/30_threads/packaged_task/cons/assign_neg.cc: Likewise.
2918         * testsuite/30_threads/packaged_task/cons/copy_neg.cc: Likewise.
2919         * testsuite/30_threads/packaged_task/cons/move.cc: Likewise.
2920         * testsuite/30_threads/packaged_task/cons/move_assign.cc: Likewise.
2921         * testsuite/30_threads/packaged_task/members/at_thread_exit.cc:
2922         Likewise.
2923         * testsuite/30_threads/packaged_task/members/get_future.cc: Likewise.
2924         * testsuite/30_threads/packaged_task/members/get_future2.cc: Likewise.
2925         * testsuite/30_threads/packaged_task/members/invoke.cc: Likewise.
2926         * testsuite/30_threads/packaged_task/members/invoke2.cc: Likewise.
2927         * testsuite/30_threads/packaged_task/members/invoke3.cc: Likewise.
2928         * testsuite/30_threads/packaged_task/members/invoke4.cc: Likewise.
2929         * testsuite/30_threads/packaged_task/members/invoke5.cc: Likewise.
2930         * testsuite/30_threads/packaged_task/members/reset.cc: Likewise.
2931         * testsuite/30_threads/packaged_task/members/reset2.cc: Likewise.
2932         * testsuite/30_threads/packaged_task/members/swap.cc: Likewise.
2933         * testsuite/30_threads/packaged_task/members/valid.cc: Likewise.
2934         * testsuite/30_threads/packaged_task/requirements/
2935         explicit_instantiation.cc: Likewise.
2936         * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
2937         * testsuite/30_threads/promise/60966.cc: Likewise.
2938         * testsuite/30_threads/promise/69106.cc: Likewise.
2939         * testsuite/30_threads/promise/cons/1.cc: Likewise.
2940         * testsuite/30_threads/promise/cons/alloc.cc: Likewise.
2941         * testsuite/30_threads/promise/cons/alloc2.cc: Likewise.
2942         * testsuite/30_threads/promise/cons/alloc_min.cc: Likewise.
2943         * testsuite/30_threads/promise/cons/assign_neg.cc: Likewise.
2944         * testsuite/30_threads/promise/cons/copy_neg.cc: Likewise.
2945         * testsuite/30_threads/promise/cons/move.cc: Likewise.
2946         * testsuite/30_threads/promise/cons/move_assign.cc: Likewise.
2947         * testsuite/30_threads/promise/members/at_thread_exit.cc: Likewise.
2948         * testsuite/30_threads/promise/members/at_thread_exit2.cc: Likewise.
2949         * testsuite/30_threads/promise/members/get_future.cc: Likewise.
2950         * testsuite/30_threads/promise/members/get_future2.cc: Likewise.
2951         * testsuite/30_threads/promise/members/set_exception.cc: Likewise.
2952         * testsuite/30_threads/promise/members/set_exception2.cc: Likewise.
2953         * testsuite/30_threads/promise/members/set_value.cc: Likewise.
2954         * testsuite/30_threads/promise/members/set_value2.cc: Likewise.
2955         * testsuite/30_threads/promise/members/set_value3.cc: Likewise.
2956         * testsuite/30_threads/promise/members/swap.cc: Likewise.
2957         * testsuite/30_threads/promise/requirements/explicit_instantiation.cc:
2958         * Likewise.
2959         * testsuite/30_threads/promise/uses_allocator.cc: Likewise.
2960
2961         * testsuite/18_support/numeric_limits/char16_32_t.cc: Qualify names
2962         from namespace std.
2963         * testsuite/20_util/align/2.cc: Remove dg-require-cstdint directive.
2964         * testsuite/20_util/duration/arithmetic/1.cc: Likewise.
2965         * testsuite/20_util/duration/arithmetic/2.cc: Likewise.
2966         * testsuite/20_util/duration/arithmetic/dr2020.cc: Likewise.
2967         * testsuite/20_util/duration/arithmetic/dr934-1.cc: Likewise.
2968         * testsuite/20_util/duration/arithmetic/dr934-2.cc: Likewise.
2969         * testsuite/20_util/duration/comparison_operators/1.cc: Likewise.
2970         * testsuite/20_util/duration/cons/1.cc: Likewise.
2971         * testsuite/20_util/duration/cons/1_neg.cc: Likewise.
2972         * testsuite/20_util/duration/cons/2.cc: Likewise.
2973         * testsuite/20_util/duration/cons/54025.cc: Likewise.
2974         * testsuite/20_util/duration/cons/dr974_neg.cc: Likewise.
2975         * testsuite/20_util/duration/requirements/explicit_instantiation/
2976         explicit_instantiation.cc: Likewise.
2977         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
2978         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
2979         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
2980         * testsuite/20_util/make_signed/requirements/typedefs-4.cc: Likewise.
2981         * testsuite/20_util/ratio/comparisons/comp1.cc: Likewise.
2982         * testsuite/20_util/ratio/comparisons/comp2.cc: Likewise.
2983         * testsuite/20_util/ratio/comparisons/comp3.cc: Likewise.
2984         * testsuite/20_util/ratio/cons/cons1.cc: Likewise.
2985         * testsuite/20_util/ratio/operations/45866.cc: Likewise.
2986         * testsuite/20_util/ratio/operations/47913.cc: Likewise.
2987         * testsuite/20_util/ratio/operations/53840.cc: Likewise.
2988         * testsuite/20_util/ratio/operations/ops1.cc: Likewise.
2989         * testsuite/20_util/shared_ptr/atomic/3.cc: Likewise.
2990         * testsuite/20_util/system_clock/1.cc: Likewise.
2991         * testsuite/20_util/time_point/1.cc: Likewise.
2992         * testsuite/20_util/time_point/2.cc: Likewise.
2993         * testsuite/20_util/time_point/3.cc: Likewise.
2994         * testsuite/20_util/time_point/requirements/explicit_instantiation/
2995         explicit_instantiation.cc: Likewise.
2996         * testsuite/21_strings/basic_string/requirements/
2997         explicit_instantiation/char16_t/1.cc: Likewise.
2998         * testsuite/21_strings/basic_string/requirements/
2999         explicit_instantiation/char32_t/1.cc: Likewise.
3000         * testsuite/21_strings/basic_string_view/requirements/
3001         explicit_instantiation/char16_t/1.cc: Likewise.
3002         * testsuite/21_strings/basic_string_view/requirements/
3003         explicit_instantiation/char32_t/1.cc: Likewise.
3004         * testsuite/21_strings/char_traits/requirements/
3005         explicit_instantiation/char16_t/1.cc: Likewise.
3006         * testsuite/21_strings/char_traits/requirements/
3007         explicit_instantiation/char32_t/1.cc: Likewise.
3008         * testsuite/21_strings/headers/string/types_std_c++0x.cc: Likewise.
3009         * testsuite/22_locale/codecvt/char16_t.cc: Likewise.
3010         * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
3011         * testsuite/22_locale/codecvt/codecvt_utf16/requirements/1.cc:
3012         Likewise.
3013         * testsuite/22_locale/codecvt/codecvt_utf8/requirements/1.cc:
3014         Likewise.
3015         * testsuite/22_locale/codecvt/codecvt_utf8_utf16/requirements/1.cc:
3016         Likewise.
3017         * testsuite/22_locale/codecvt/utf8.cc: Likewise.
3018         * testsuite/23_containers/vector/bool/72847.cc: Likewise.
3019         * testsuite/23_containers/vector/debug/multithreaded_swap.cc:
3020         Likewise.
3021         * testsuite/experimental/string_view/requirements/
3022         explicit_instantiation/char16_t/1.cc: Likewise.
3023         * testsuite/experimental/string_view/requirements/
3024         explicit_instantiation/char32_t/1.cc: Likewise.
3025         * testsuite/ext/vstring/requirements/explicit_instantiation/char16_t/
3026         1.cc: Likewise.
3027         * testsuite/ext/vstring/requirements/explicit_instantiation/char32_t/
3028         1.cc: Likewise.
3029
3030         * include/ext/throw_allocator.h [!_GLIBCXX_USE_C99_STDINT_TR1]
3031         (random_condition, throw_value_random, throw_allocator_random)
3032         (std::hash<throw_value_random>): Do not define when <tr1/random> is
3033         not usable.
3034         * src/c++11/cow-stdexcept.cc [!_GLIBCXX_USE_C99_STDINT_TR1]: Do not
3035         define transactional memory support when <stdint.h> is not usable.
3036
3037         * include/bits/hashtable_policy.h (__detail::__clp2): Use faster
3038         implementation that doesn't depend on <stdint.h> types.
3039         * include/std/memory (align) [!_GLIBCXX_USE_C99_STDINT_TR1]: Use
3040         std::size_t when std::uintptr_t is not usable.
3041         [!_GLIBCXX_USE_C99_STDINT_TR1] (pointer_safety, declare_reachable)
3042         (undeclare_reachable, declare_no_pointers, undeclare_no_pointers):
3043         Define independent of _GLIBCXX_USE_C99_STDINT_TR1.
3044
3045         * include/bits/basic_string.h [!_GLIBCXX_USE_C99_STDINT_TR1]
3046         (hash<u16string>, hash<u32string>): Remove dependency on
3047         _GLIBCXX_USE_C99_STDINT_TR1.
3048         * include/bits/char_traits.h [!_GLIBCXX_USE_C99_STDINT_TR1]
3049         (char_traits<char16_t>, char_traits<char32_t>): Remove dependency on
3050         _GLIBCXX_USE_C99_STDINT_TR1. Use __UINT_LEAST16_TYPE__ and
3051         __UINT_LEAST32_TYPE__ or make_unsigned when <stdint.h> is not usable.
3052         * include/bits/codecvt.h [!_GLIBCXX_USE_C99_STDINT_TR1]
3053         (codecvt<char16_t, char, mbstate_t>)
3054         (codecvt<char32_t, char, mbstate_t>)
3055         (codecvt_byname<char16_t, char, mbstate_t>)
3056         (codecvt_byname<char32_t, char, mbstate_t>): Remove dependency
3057         on _GLIBCXX_USE_C99_STDINT_TR1.
3058         * include/bits/locale_facets.h [!_GLIBCXX_USE_C99_STDINT_TR1]
3059         (_GLIBCXX_NUM_UNICODE_FACETS): Likewise.
3060         * include/bits/stringfwd.h [!_GLIBCXX_USE_C99_STDINT_TR1]
3061         (char_traits<char16_t>, char_traits<char32_t>)
3062         (basic_string<char16_t>, basic_string<char32_t>): Remove dependency
3063         on _GLIBCXX_USE_C99_STDINT_TR1.
3064         * include/experimental/string_view [!_GLIBCXX_USE_C99_STDINT_TR1]
3065         (u16string_view, u32string_view, hash<u16string_view>)
3066         (hash<u32string_view>, operator""sv(const char16_t, size_t))
3067         (operator""sv(const char32_t, size_t)): Likewise.
3068         * include/ext/vstring.h [!_GLIBCXX_USE_C99_STDINT_TR1]
3069         (hash<__u16vstring>, hash<__u32vstring>): Likewise.
3070         * include/ext/vstring_fwd.h [!_GLIBCXX_USE_C99_STDINT_TR1]
3071         (__u16vstring, __u16sso_string, __u16rc_string, __u32vstring)
3072         (__u32sso_string, __u32rc_string): Likewise.
3073         * include/std/codecvt [!_GLIBCXX_USE_C99_STDINT_TR1] (codecvt_mode)
3074         (codecvt_utf8, codecvt_utf16, codecvt_utf8_utf16): Likewise.
3075         * include/std/string_view [!_GLIBCXX_USE_C99_STDINT_TR1]
3076         (u16string_view, u32string_view, hash<u16string_view>)
3077         (hash<u32string_view>, operator""sv(const char16_t, size_t))
3078         (operator""sv(const char32_t, size_t)): Likewise.
3079         * src/c++11/codecvt.cc: Likewise.
3080         * src/c++98/locale_init.cc: Likewise.
3081         * src/c++98/localename.cc: Likewise.
3082
3083         * include/bits/atomic_futex.h [!_GLIBCXX_USE_C99_STDINT_TR1]
3084         (__atomic_futex_unsigned_base): Remove dependency on
3085         _GLIBCXX_USE_C99_STDINT_TR1 macro.
3086         * include/bits/unique_lock.h [!_GLIBCXX_USE_C99_STDINT_TR1]
3087         (unique_lock): Remove dependency on _GLIBCXX_USE_C99_STDINT_TR1.
3088         * include/c_global/cstdint [!_GLIBCXX_USE_C99_STDINT_TR1] (intmax_t)
3089         (uintmax_t): Define using predefined macros.
3090         * include/std/chrono [!_GLIBCXX_USE_C99_STDINT_TR1] (duration)
3091         (time_point, system_clock, high_resolution_clock, steady_clock): Remove
3092         dependency on _GLIBCXX_USE_C99_STDINT_TR1 macro.
3093         (nanoseconds, microseconds, milliseconds, seconds, minutes, hours):
3094         [!_GLIBCXX_USE_C99_STDINT_TR1]: Define using __INT64_TYPE__ or
3095         long long when <stdint.h> is not usable.
3096         * include/std/condition_variable [!_GLIBCXX_USE_C99_STDINT_TR1]
3097         (condition_variable, condition_variable_any): Remove dependency on
3098         _GLIBCXX_USE_C99_STDINT_TR1.
3099         * include/std/future [!_GLIBCXX_USE_C99_STDINT_TR1] (future, promise)
3100         (packaged_task, async): Likewise.
3101         * include/std/mutex [!_GLIBCXX_USE_C99_STDINT_TR1] (recursive_mutex)
3102         (timed_mutex, recursive_timed_mutex, try_lock, lock, scoped_lock)
3103         (once_flag, call_once): Likewise.
3104         * include/std/ratio [!_GLIBCXX_USE_C99_STDINT_TR1] (ratio): Likewise.
3105         * include/std/shared_mutex [!_GLIBCXX_USE_C99_STDINT_TR1]
3106         (shared_mutex, shared_timed_mutex, shared_lock): Likewise.
3107         * include/std/thread [!_GLIBCXX_USE_C99_STDINT_TR1] (thread)
3108         (this_thread::get_id, this_thread::yield, this_thread::sleep_for)
3109         (this_thread::sleep_until): Likewise.
3110         * src/c++11/chrono.cc: Remove dependency on
3111         _GLIBCXX_USE_C99_STDINT_TR1 macro.
3112         * src/c++11/condition_variable.cc: Likewise.
3113         * src/c++11/futex.cc: Likewise.
3114         * src/c++11/future.cc: Likewise.
3115         * src/c++11/mutex.cc: Likewise.
3116         * src/c++11/thread.cc: Likewise.
3117         * testsuite/20_util/duration/literals/range_neg.cc: Adjust dg-error.
3118         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
3119         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
3120         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
3121         * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Likewise.
3122         * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
3123
3124 2018-07-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3125
3126         PR libstdc++/77691
3127         * testsuite/experimental/memory_resource/new_delete_resource.cc:
3128         xfail execution on 32-bit Solaris/x86.
3129
3130 2018-07-26  Marc Glisse  <marc.glisse@inria.fr>
3131
3132         * include/bits/stl_vector.h (_Vector_impl_data::_M_copy_data): New.
3133         (_Vector_impl_data::_M_swap_data): Use _M_copy_data.
3134         (vector::_M_move_assign): Reorder the swaps.
3135
3136 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
3137
3138         PR libstdc++/86676
3139         * testsuite/20_util/monotonic_buffer_resource/release.cc: Request
3140         same alignment for post-release allocation.
3141
3142 2018-07-25  Jonathan Wakely  <jwakely@redhat.com>
3143
3144         PR libstdc++/86676
3145         * testsuite/20_util/monotonic_buffer_resource/release.cc: Allow for
3146         buffer being misaligned and so returned pointer not being at start.
3147
3148         * include/experimental/memory_resource: Include <cstddef> header.
3149
3150         * acinclude.m4 (glibcxx_SUBDIRS): Add src/c++17.
3151         * src/Makefile.am: Add comment.
3152         * src/c++17/Makefile.in: Regenerate.
3153
3154         * include/Makefile.am: Add new <bits/unique_lock.h> header.
3155         * include/Makefile.in: Regenerate.
3156         * include/bits/std_mutex.h [!_GLIBCXX_USE_C99_STDINT_TR1] (mutex)
3157         (lock_guard): Define independent of _GLIBCXX_USE_C99_STDINT_TR1.
3158         (unique_lock): Move definition to ...
3159         * include/bits/unique_lock.h: New header.
3160         [!_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock): Define unconditionally.
3161         [_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock(mutex_type&, time_point))
3162         (unique_lock(mutex_type&, duration), unique_lock::try_lock_until)
3163         (unique_lock::try_lock_for): Define only when <chrono> is usable.
3164         * include/std/condition_variable: Include <bits/unique_lock.h>.
3165         * include/std/mutex: Likewise.
3166
3167 2018-07-24  Jonathan Wakely  <jwakely@redhat.com>
3168
3169         * config/abi/pre/gnu.ver: Export new symbols.
3170         * configure: Regenerate.
3171         * include/Makefile.am: Add new <memory_resource> header.
3172         * include/Makefile.in: Regenerate.
3173         * include/precompiled/stdc++.h: Include <memory_resource> for C++17.
3174         * include/std/memory_resource: New header.
3175         (memory_resource, polymorphic_allocator, new_delete_resource)
3176         (null_memory_resource, set_default_resource, get_default_resource)
3177         (pool_options, monotonic_buffer_resource): Define.
3178         * src/Makefile.am: Add c++17 directory.
3179         * src/Makefile.in: Regenerate.
3180         * src/c++11/Makefile.am: Fix comment.
3181         * src/c++17/Makefile.am: Add makefile for new sub-directory.
3182         * src/c++17/Makefile.in: Generate.
3183         * src/c++17/memory_resource.cc: New.
3184         (newdel_res_t, null_res_t, constant_init, newdel_res, null_res)
3185         (default_res, new_delete_resource, null_memory_resource)
3186         (set_default_resource, get_default_resource): Define.
3187         * testsuite/20_util/memory_resource/1.cc: New test.
3188         * testsuite/20_util/memory_resource/2.cc: New test.
3189         * testsuite/20_util/monotonic_buffer_resource/1.cc: New test.
3190         * testsuite/20_util/monotonic_buffer_resource/allocate.cc: New test.
3191         * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: New test.
3192         * testsuite/20_util/monotonic_buffer_resource/release.cc: New test.
3193         * testsuite/20_util/monotonic_buffer_resource/upstream_resource.cc:
3194         New test.
3195         * testsuite/20_util/polymorphic_allocator/1.cc: New test.
3196         * testsuite/20_util/polymorphic_allocator/resource.cc: New test.
3197         * testsuite/20_util/polymorphic_allocator/select.cc: New test.
3198         * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource):
3199         Define concrete memory resource for testing.
3200         (__gnu_test::default_resource_mgr): Define RAII helper for changing
3201         default resource.
3202
3203         PR libstdc++/86658
3204         * include/bits/stl_algobase.h (__niter_wrap<_Iterator>): Pass unused
3205         parameter by reference, to avoid copying invalid iterators.
3206         * testsuite/25_algorithms/copy/86658.cc: New test.
3207
3208         * include/std/bit (__countl_zero, __countr_zero, __popcount): Use
3209         local variables for number of digits instead of type aliases.
3210         (__log2p1): Remove redundant branch also checked in __countl_zero.
3211
3212         * include/bits/uses_allocator.h (__is_erased_or_convertible): Reorder
3213         conditions. Add comments.
3214         * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error line.
3215         * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
3216         * testsuite/20_util/scoped_allocator/69293_neg.cc: Likewise.
3217
3218         * include/bits/uses_allocator.h (__is_erased_or_convertible): Remove.
3219         (__uses_allocator_helper): Check conditions directly instead of
3220         using __is_erased_or_convertible.
3221
3222         * include/experimental/memory_resource: Adjust comments and
3223         whitespace.
3224         (__resource_adaptor_imp): Add second template parameter for type of
3225         memory resource base class.
3226         (memory_resource): Define default constructor, destructor, copy
3227         constructor and copy assignment operator as defaulted.
3228
3229         PR libstdc++/70966
3230         * include/experimental/memory_resource (__get_default_resource): Use
3231         placement new to create an object with dynamic storage duration.
3232
3233 2018-07-23  Jonathan Wakely  <jwakely@redhat.com>
3234
3235         PR libstdc++/70940
3236         * include/experimental/memory_resource
3237         (__resource_adaptor_common::_AlignMgr::_M_unadjust): Add assertion.
3238         (__resource_adaptor_common::__guaranteed_alignment): New helper to
3239         give maximum alignment an allocator guarantees. Specialize for known
3240         allocators using new and malloc.
3241         (__resource_adaptor_imp::do_allocate): Use __guaranteed_alignment.
3242         (__resource_adaptor_imp::do_deallocate): Likewise.
3243         * testsuite/experimental/memory_resource/new_delete_resource.cc:
3244         Check that new and delete are called with expected sizes.
3245
3246 2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
3247
3248         PR libstdc++/86595
3249         * include/bits/fs_dir.h (directory_entry::refresh(error_code&)): Add
3250         noexcept.
3251
3252 2018-07-20  Fangrui Song  <maskray@google.com>
3253
3254         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Use
3255         _GLIBCXX_VISIBILITY(default).
3256
3257 2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
3258
3259         PR libstdc++/86603
3260         * include/std/version: Move __cpp_lib_list_remove_return_type macro.
3261
3262 2018-07-19  Jonathan Wakely  <jwakely@redhat.com>
3263
3264         * include/std/type_traits (__is_member_object_pointer_helper): Use
3265         __not_<is_function<_Tp>>::type instead of integral_constant.
3266         (__is_member_function_pointer_helper): Likewise for
3267         is_function<_Tp>::type.
3268         (is_compund): Likewise for __not_<is_fundamental<_Tp>>::type.
3269         (__do_is_nt_destructible_impl): Use __bool_constant and reindent.
3270         (is_trivially_constructible): Remove redundant use of
3271         is_constructible.
3272         (__is_trivially_copy_assignable_impl): Remove redundant use of
3273         is_copy_assignable.
3274         (__is_trivially_move_assignable_impl): Remove redundant use of
3275         is_move_assignable.
3276         (is_trivially_destructible): Use __bool_constant.
3277         * testsuite/20_util/is_trivially_assignable/value.cc: Add some more
3278         tests for scalar types.
3279
3280 2018-07-19  Glen Joseph Fernandes  <glenjofe@gmail.com>
3281
3282         * include/bits/stl_algobase.h (__copy_move_a): Used
3283         __is_trivially_copyable.
3284         (__copy_move_backward_a): Likewise.
3285         * testsuite/20_util/specialized_algorithms/uninitialized_copy/1.cc:
3286         New test.
3287
3288 2018-07-17  Jonathan Wakely  <jwakely@redhat.com>
3289
3290         PR libstdc++/86450
3291         * acinclude.m4 (GLIBCXX_CHECK_COMPILER_FEATURES): Don't define WERROR.
3292         (GLIBCXX_EXPORT_FLAGS): Use -Wabi=2 instead of -Wabi.
3293         * configure: Regenerate.
3294         * configure.ac: Change GLIBCXX_ENABLE_WERROR default to "no".
3295         * doc/Makefile.in: Regenerate.
3296         * fragment.am: Set WERROR_FLAG to -Werror instead of $(WERROR).
3297         * include/Makefile.in: Regenerate.
3298         * libsupc++/Makefile.in: Regenerate.
3299         * po/Makefile.in: Regenerate.
3300         * python/Makefile.in: Regenerate.
3301         * src/Makefile.in: Regenerate.
3302         * src/c++11/Makefile.in: Regenerate.
3303         * src/c++11/debug.cc: Use diagnostic pragmas to suppress warnings
3304         from -Wabi=2 that don't affect exported symbols.
3305         * src/c++98/Makefile.in: Regenerate.
3306         * src/filesystem/Makefile.in: Regenerate.
3307         * testsuite/Makefile.in: Regenerate.
3308
3309         * src/c++11/compatibility-thread-c++0x.cc [_GLIBCXX_SHARED]
3310         (_Async_state_common::_M_join): Simplify use of std::call_once and
3311         corresponding explicit instantiation.
3312         (_Maybe_wrap_member_pointer, _Bind_simple, _Bind_simple_helper)
3313         (__bind_simple): Remove definitions and explicit instantiation that
3314         are not required by exported symbols.
3315
3316 2018-07-16  Jonathan Wakely  <jwakely@redhat.com>
3317
3318         * scripts/create_testsuite_files: Fix typo in comment.
3319
3320         PR libstdc++/86537
3321         * include/bits/shared_ptr.h (less<shared_ptr<_Tp>>): Remove
3322         non-standard partial specialization.
3323         * include/bits/shared_ptr_base.h (_Sp_less): Remove class definition.
3324         (less<__shared_ptr<_Tp, _Lp>): Remove partial specialization.
3325         * testsuite/20_util/shared_ptr/comparison/86537.cc: New test.
3326
3327 2018-07-16  Andreas Krebbel  <krebbel@linux.ibm.com>
3328
3329         * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
3330         * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
3331         * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
3332
3333 2018-07-06  François Dumont  <fdumont@gcc.gnu.org>
3334
3335         * include/debug/functions.h (__gnu_debug::__check_string): Move...
3336         * include/debug/string (__gnu_debug::__check_string): ... here.
3337         (_GLIBCXX_DEBUG_VERIFY_STR_COND_AT): New.
3338         (__glibcxx_check_string_n_constructor): New.
3339         (__gnu_debug::basic_string<>(const _CharT*, size_type, const _Alloc&)):
3340         Use latter.
3341         (__glibcxx_check_string_constructor): New.
3342         (__gnu_debug::basic_string<>(const _CharT*, const _Alloc&)):
3343         Use latter.
3344         * testsuite/21_strings/basic_string/debug/1_neg.cc: New.
3345         * testsuite/21_strings/basic_string/debug/2_neg.cc: New.
3346
3347 2018-07-06  Jonathan Wakely  <jwakely@redhat.com>
3348
3349         PR libstdc++/84928 use std::move in <numeric> algorithms
3350         * include/bits/stl_numeric.h (_GLIBCXX_MOVE_IF_20): Define macro to
3351         conditionally move, according to __cplusplus value.
3352         (accumulate, inner_product, partial_sum, adjacent_difference): Use
3353         _GLIBCXX_MOVE_IF_20.
3354         * testsuite/26_numerics/accumulate/lwg2055.cc: New test.
3355         * testsuite/26_numerics/adjacent_difference/lwg2055.cc: New test.
3356         * testsuite/26_numerics/inner_product/lwg2055.cc: New test.
3357         * testsuite/26_numerics/partial_sum/lwg2055.cc: New test.
3358
3359         * config/abi/pre/gnu.ver: Use wildcards to combine related patterns.
3360
3361         P0935R0 Eradicating unnecessarily explicit default constructors
3362         * config/abi/pre/gnu.ver: Tighten existing patterns and export new
3363         default constructor symbols.
3364         * include/std/sstream (basic_stringbuf, basic_istringstream)
3365         (basic_ostringstream, basic_stringstream): Remove default arguments
3366         from explicit constructors taking ios_base::openmode and add separate
3367         non-explicit default constructors.
3368         * testsuite/27_io/basic_istringstream/cons/default.cc: New.
3369         * testsuite/27_io/basic_ostringstream/cons/default.cc: New.
3370         * testsuite/27_io/basic_stringstream/cons/default.cc: New.
3371         * testsuite/27_io/basic_stringbuf/cons/char/default.cc: New.
3372         * testsuite/27_io/basic_stringbuf/cons/wchar_t/default.cc: New.
3373
3374         * include/std/variant (__accepted_index): Use void_t.
3375
3376 2018-07-05  Jonathan Wakely  <jwakely@redhat.com>
3377
3378         PR libstdc++/85831
3379         * config/abi/pre/gnu.ver: Export move constructors and move
3380         assignment operators for std::logic_error and std::runtime_error.
3381         * include/std/stdexcept: Use _GLIBCXX_NOTHROW instead of
3382         _GLIBCXX_USE_NOEXCEPT.
3383         (logic_error, runtime_error): Declare move constructors and move
3384         assignment operators. When not declared already, define copy
3385         constructors and copy assignment operators as explicit-defaulted.
3386         (domain_error, invalid_argument, length_error, out_of_range)
3387         (overflow_error, underflow_error): Define move constructors and move
3388         assignment operators as explicitly-defaulted.
3389         * libsupc++/exception.h (exception): Likewise.
3390         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Define
3391         move constructors and move assignment operators as defaulted.
3392         * testsuite/19_diagnostics/stdexcept.cc: Check that constructors and
3393         assignment operators are defined.
3394
3395         * testsuite/21_strings/basic_string/cons/char/deduction.cc: XFAIL for
3396         COW strings.
3397         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
3398         Likewise.
3399         * testsuite/21_strings/basic_string/requirements/
3400         explicit_instantiation/debug.cc: Likewise.
3401
3402         PR libstdc++/58265
3403         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
3404         (basic_string::assign(basic_string&&)): Add conditional noexcept
3405         depending on the allocator's is_always_equal property (LWG 2063).
3406         * testsuite/21_strings/basic_string/modifiers/assign/char/
3407         move_assign.cc: Check for non-throwing exception specification.
3408         * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
3409         move_assign.cc: Likewise.
3410
3411         PR libstdc++/58265
3412         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
3413         [_GLIBCXX_FULLY_DYNAMIC_STRING==0] (basic_string::basic_string()):
3414         Add GLIBCXX_NOEXCEPT.
3415         (basic_string::operator=(basic_string&&)): Add _GLIBCXX_NOEXCEPT_IF
3416         to depend on the allocator's is_always_equal property (LWG 2063).
3417         (basic_string::swap(basic_string&)): Likewise.
3418         * include/bits/basic_string.tcc [!_GLIBCXX_USE_CXX11_ABI]
3419         (basic_string::swap(basic_string&)): Likewise.
3420         * testsuite/21_strings/basic_string/allocator/char/move_assign.cc:
3421         Check is_nothrow_move_assignable.
3422         * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc:
3423         Check is_nothrow_move_assignable.
3424         * testsuite/21_strings/basic_string/cons/char/
3425         noexcept_move_construct.cc: Likewise.
3426         * testsuite/21_strings/basic_string/cons/wchar_t/
3427         noexcept_move_construct.cc: Likewise.
3428
3429 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
3430
3431         P0646R1 Improving the Return Value of Erase-Like Algorithms I
3432         * include/bits/forward_list.h (__cpp_lib_list_remove_return_type):
3433         Define.
3434         (forward_list::__remove_return_type): Define typedef as size_type or
3435         void, according to __cplusplus value.
3436         (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
3437         empty, according to __cplusplus value.
3438         (forward_list::remove, forward_list::unique): Use typedef and macro
3439         to change return type and add abi-tag for C++2a.
3440         (forward_list::remove_if<Pred>, forward_list::unique<BinPred>): Use
3441         typedef to change return type for C++2a.
3442         * include/bits/forward_list.tcc (_GLIBCXX20_ONLY): Define macro.
3443         (forward_list::remove, forward_list::remove_if<Pred>)
3444         (forward_list::unique<BinPred>): Return number of removed elements
3445         for C++2a.
3446         * include/bits/list.tcc (_GLIBCXX20_ONLY): Define macro.
3447         (list::remove, list::unique, list::remove_if<Predicate>)
3448         (list::unique<BinaryPredicate>): Return number of removed elements
3449         for C++2a.
3450         * include/bits/stl_list.h (__cpp_lib_list_remove_return_type): Define.
3451         (list::__remove_return_type): Define typedef as size_type or
3452         void, according to __cplusplus value.
3453         (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
3454         empty, according to __cplusplus value.
3455         (list::remove, list::unique): Use typedef and macro to change return
3456         type and add abi-tag for C++2a.
3457         (list::remove_if<Predicate>, list::unique<BinaryPredicate>): Use
3458         typedef to change return type for C++2a.
3459         * include/std/version (__cpp_lib_list_remove_return_type): Define.
3460         * testsuite/23_containers/forward_list/operations/
3461         remove_cxx20_return.cc: New.
3462         * testsuite/23_containers/forward_list/operations/
3463         unique_cxx20_return.cc: New.
3464
3465         P0458R2 Checking for Existence of an Element in Associative Containers
3466         * include/bits/stl_map.h (map::contains): Add for C++2a.
3467         * include/bits/stl_multimap.h (multimap::contains): Likewise.
3468         * include/bits/stl_multiset.h (multiset::contains): Likewise.
3469         * include/bits/stl_set.h (set::contains): Likewise.
3470         * include/bits/stl_tree.h (__has_is_transparent_t): Define alias.
3471         (_Rb_tree::_M_find_tr, _Rb_tree::_M_count_tr)
3472         (_Rb_tree::_M_lower_bound_tr, _Rb_tree::_M_upper_bound_tr)
3473         (_Rb_tree::_M_equal_range_tr): Use __has_is_transparent_t.
3474         * include/bits/unordered_map.h (unordered_map::contains)
3475         (unordered_multimap::contains): Add for C++2a.
3476         * include/bits/unordered_set.h (unordered_set::contains)
3477         (unordered_multiset::contains): Likewise.
3478         * testsuite/23_containers/map/operations/contains.cc: New.
3479         * testsuite/23_containers/multimap/operations/contains.cc: New.
3480         * testsuite/23_containers/multiset/operations/contains.cc: New.
3481         * testsuite/23_containers/set/operations/contains.cc: New.
3482         * testsuite/23_containers/unordered_map/operations/contains.cc: New.
3483         * testsuite/23_containers/unordered_multimap/operations/contains.cc:
3484         New.
3485         * testsuite/23_containers/unordered_multiset/operations/contains.cc:
3486         New.
3487         * testsuite/23_containers/unordered_set/operations/contains.cc: New.
3488
3489 2018-07-04  François Dumont  <fdumont@gcc.gnu.org>
3490
3491         PR libstdc++/86272
3492         * include/debug/string
3493         (__gnu_debug::basic_string<>::insert<_Ite>(const_iterator, _Ite, _Ite)):
3494         Use __glibcxx_check_insert_range.
3495         * 21_strings/basic_string/cons/char/1.cc: Adapt test to use
3496         __gnu_debug::string when _GLIBCXX_DEBUG.
3497         * 21_strings/basic_string/init-list.cc: Likewise.
3498         * 21_strings/basic_string/modifiers/insert/char/1.cc: Likewise.
3499         * 21_strings/basic_string/modifiers/insert/char/2.cc: Likewise.
3500         * 21_strings/basic_string/modifiers/insert/char/83328.cc: Likewise.
3501         * 21_strings/basic_string/types/1.cc: Likewise.
3502
3503 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
3504
3505         * testsuite/25_algorithms/make_heap/complexity.cc: Require effective
3506         target for std::random_device.
3507         * testsuite/26_numerics/random/random_device/cons/default.cc:
3508         Likewise.
3509         * testsuite/experimental/algorithm/sample-2.cc: Likewise.
3510         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
3511         * testsuite/experimental/random/randint.cc: Likewise.
3512         * testsuite/lib/libstdc++.exp
3513         (check_effective_target_random_device): New proc.
3514
3515 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
3516             Jakub Jelinek  <jakub@redhat.com>
3517
3518         * include/std/bit (__rotl, __rotr): Fix for non-power of two sizes.
3519
3520 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
3521
3522         PR libstdc++/86398
3523         * include/std/type_traits (is_trivially_constructible): Check
3524         is_constructible before __is_trivially_constructible.
3525         * testsuite/20_util/is_trivially_constructible/value.cc: Add more
3526         tests, including negative cases.
3527         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Use
3528         zero for dg-error lineno.
3529         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
3530         Likewise.
3531
3532         * include/std/bit (__rotl, __rotr): Avoid branch.
3533         (_If_is_unsigned_integer): Use remove_cv_t.
3534         * testsuite/26_numerics/bit/bitops.count/popcount.cc: New.
3535
3536 2018-07-03  Jonathan Wakely  <jwakely@redhat.com>
3537
3538         P0556R3 Integral power-of-2 operations, P0553R2 Bit operations
3539         * include/Makefile.am: Add new header.
3540         * include/Makefile.in: Regenerate.
3541         * include/precompiled/stdc++.h: Include new header.
3542         * include/std/bit: New header.
3543         (__rotl, __rotr, __countl_zero, __countl_one, __countr_zero)
3544         (__countr_one, __popcount, __ispow2, __ceil2, __floor2, __log2p1):
3545         Define for C++14.
3546         [!__STRICT_ANSI__] (rotl, rotr, countl_zero, countl_one, countr_zero)
3547         (countr_one, popcount): Define for C++2a. Also overload for std::byte.
3548         (ispow2, ceil2, floor2, log2p1): Define for C++2a.
3549         [!__STRICT_ANSI__] (ispow2, ceil2, floor2, log2p1): Overload for
3550         std::byte.
3551         * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: New.
3552         * testsuite/26_numerics/bit/bit.pow.two/floor2.cc: New.
3553         * testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: New.
3554         * testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: New.
3555         * testsuite/26_numerics/bit/bitops.rot/rotl.cc: New.
3556         * testsuite/26_numerics/bit/bitops.rot/rotr.cc: New.
3557         * testsuite/26_numerics/bit/bitops.count/countl_one.cc: New.
3558         * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: New.
3559         * testsuite/26_numerics/bit/bitops.count/countr_one.cc: New.
3560         * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: New.
3561
3562         * include/bits/alloc_traits.h: Remove redundant preprocessor
3563         condition.
3564
3565 2018-07-03  François Dumont  <fdumont@gcc.gnu.org>
3566
3567         * include/bits/stl_algobase.h (__niter_wrap): New.
3568         (__copy_move_a2(_II, _II, _OI)): Use latter.
3569         (__copy_move_backward_a2(_BI1, _BI1, _BI2)): Likewise.
3570         (fill_n(_OI, _Size, const _Tp&)): Likewise.
3571         (equal(_II1, _II1, _II2)): Use __glibcxx_requires_can_increment.
3572         * include/debug/stl_iterator.h
3573         (std::__niter_base(const __gnu_cxx::_Safe_iterator<
3574         __gnu_cxx::__normal_iterator<>, _Sequence>&)): New declaration.
3575         * include/debug/vector (__niter_base(const __gnu_cxx::_Safe_iterator<
3576         __gnu_cxx::__normal_iterator<>, _Sequence>&)): New.
3577
3578 2018-07-02  Jonathan Wakely  <jwakely@redhat.com>
3579
3580         P0758R1 Implicit conversion traits
3581         * include/std/type_traits [__cplusplus > 201703]
3582         (__is_convertible_helper::__is_nothrow_type): Define new member.
3583         (__is_convertible_helper<_From, _To, false>::__test_aux1): Add
3584         noexcept.
3585         (__is_convertible_helper<_From, _To, false>::__test_nothrow)
3586         (__is_convertible_helper<_From, _To, false>::__is_nothrow_type): Add
3587         new members.
3588         (is_nothrow_convertible, is_nothrow_convertible_v): Define for C++2a.
3589         * testsuite/20_util/is_nothrow_convertible/value.cc: New.
3590         * testsuite/20_util/is_nothrow_convertible/requirements/
3591         explicit_instantiation.cc: New.
3592         * testsuite/20_util/is_nothrow_convertible/requirements/typedefs.cc:
3593         New.
3594
3595         P0887R1 The identity metafunction
3596         * include/std/type_traits (type_identity, type_identity_t): Define
3597         for C++2a.
3598         * testsuite/20_util/type_identity/requirements/alias_decl.cc: New.
3599         * testsuite/20_util/type_identity/requirements/
3600         explicit_instantiation.cc:New.
3601         * testsuite/20_util/type_identity/requirements/typedefs.cc: New.
3602
3603         * include/bits/regex.h (sub_match::operator string_type): Call str().
3604         (sub_match::compare): Use _M_str() instead of str().
3605         (sub_match::_M_compare): New public function.
3606         (sub_match::__string_view): New helper type.
3607         (sub_match::_M_str): New overloaded functions to avoid creating a
3608         string_type object when not needed.
3609         (operator==, operator!=, operator<, operator>, operator<=, operator>=):
3610         Use sub_match::_M_compare instead of creating string_type objects.
3611         Fix Doxygen comments.
3612         * include/bits/regex_compiler.h (__has_contiguous_iter): Remove.
3613         (__is_contiguous_normal_iter): Rename to __is_contiguous_iter and
3614         simplify.
3615         (__enable_if_contiguous_iter, __disable_if_contiguous_iter): Use
3616         __enable_if_t.
3617         * include/std/type_traits (__enable_if_t): Define for C++11.
3618         * testsuite/28_regex/sub_match/compare.cc: New.
3619         * testsuite/util/testsuite_iterators.h (remove_cv): Add transformation
3620         trait.
3621         (input_iterator_wrapper): Use remove_cv for value_type argument of
3622         std::iterator base class.
3623
3624 2018-06-29  Jonathan Wakely  <jwakely@redhat.com>
3625
3626         * testsuite/20_util/add_rvalue_reference/requirements/alias_decl.cc:
3627         Add whitespace to dejagnu directive.
3628         * testsuite/23_containers/array/element_access/at_neg.cc: Likewise.
3629
3630 2018-06-27  François Dumont  <fdumont@gcc.gnu.org>
3631
3632         * include/bits/stl_vector.h
3633         (struct _Vector_base<>::_Vector_impl_data): New.
3634         (struct _Vector_base<>::_Vector_impl): Inherit from latter.
3635         (_Vector_base<>::_Vector_impl::_M_swap_data): Move...
3636         (_Vector_base<>::_Vector_impl_data::_M_swap_data): ...here.
3637         (_Vector_base<>::_Vector_impl()): Add noexcept qualification.
3638         (_Vector_base<>::_Vector_impl(_Vector_impl&&)): New.
3639         (_Vector_base<>::_Vector_impl(_Tp_alloc_type&&, _Vector_impl&&)): New.
3640         (_Vector_base(const allocator_type&, _Vector_base&&)): New, use latter.
3641         (_Vector_base()): Default.
3642         (_Vector_base(_Vector_base&&)): Default.
3643         (_Vector_base(size_t)) [_GLIBCXX_INLINE_VERSION]: Delete.
3644         (_Vector_base(_Tp_alloc_type&&)) [_GLIBCXX_INLINE_VERSION]: Delete.
3645         (_Vector_base::_M_create_storage(size_t)): Make protected.
3646         (vector()): Default.
3647         (vector(vector&&)): Default.
3648         (vector(vector&&, const allocator_type&, true_type)): New.
3649         (vector(vector&&, const allocator_type&, false_type)): New.
3650         (vector(vector&&, const allocator_type&)): Use latters.
3651         (vector(_InputIte, _InputIte, const allocator_type&)): Call
3652         _M_range_initialize directly.
3653         * include/debug/vector
3654         (vector(vector&&, const allocator_type&)): Add noexcept qualification.
3655         * testsuite/23_containers/vector/allocator/default_init.cc: New.
3656         * testsuite/23_containers/vector/cons/noexcept_move_construct.cc: Add
3657         static assertions.
3658
3659 2018-06-27  Jonathan Wakely  <jwakely@redhat.com>
3660
3661         * include/bits/cpp_type_traits.h [__cplusplus >= 201703]
3662         (__is_byte<byte>): Define specialization for std::byte.
3663
3664         PR libstdc++/86138
3665         * include/bits/basic_string.tcc: [_GLIBCXX_EXTERN_TEMPLATE < 0]
3666         Declare explicit instantiations of COW empty reps and I/O functions.
3667
3668 2018-06-26  David Edelsohn  <dje.gcc@gmail.com>
3669
3670         * testsuite/experimental/algorithm/sample-2.cc: Add TLS DejaGNU
3671         directives.
3672         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
3673
3674 2018-06-26  Jonathan Wakely  <jwakely@redhat.com>
3675
3676         * include/bits/regex.tcc (regex_iterator::operator==): Add missing
3677         noexcept.
3678
3679 2018-06-25  Jonathan Wakely  <jwakely@redhat.com>
3680
3681         PR libstdc++/86112
3682         * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
3683         Replace dict comprehension.
3684
3685         PR libstdc++/81092
3686         * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
3687
3688         PR libstdc++/86292
3689         * include/bits/stl_vector.h (vector::_M_range_initialize<InputIter>):
3690         Add try-catch block.
3691         * testsuite/23_containers/vector/cons/86292.cc: New.
3692
3693         * doc/xml/manual/status_cxx2017.xml: Document N4531 status.
3694
3695         * include/experimental/algorithm (sample, shuffle): Add new overloads
3696         using per-thread random number engine.
3697         * testsuite/experimental/algorithm/sample.cc: Simpify and reduce
3698         dependencies by using __gnu_test::test_container.
3699         * testsuite/experimental/algorithm/sample-2.cc: New.
3700         * testsuite/experimental/algorithm/shuffle.cc: New.
3701
3702 2018-06-22  Jonathan Wakely  <jwakely@redhat.com>
3703
3704         * config/abi/pre/gnu.ver: Fix __cxx11::basic_string patterns for
3705         different size_t mangling on 32-bit targets.
3706
3707         PR libstdc++/86280
3708         * include/experimental/memory_resource
3709         (__resource_adaptor_common::_AlignMgr::_M_token_size): Use type large
3710         enough for result of left shift.
3711
3712         PR libstdc++/86138
3713         * include/bits/basic_string.tcc:
3714         [__cplusplus > 201402 && !_GLIBCXX_USE_CXX11_ABI]
3715         (basic_string<char>::_Rep::_S_empty_rep_storage)
3716         (basic_string<wchar_t>::_Rep::_S_empty_rep_storage): Add explicit
3717         instantiation declarations.
3718         [__cplusplus > 201402] (operator>>, operator<<, getline): Re-enable
3719         explicit instantiation declarations.
3720         * testsuite/21_strings/basic_string/cons/char/86138.cc: New.
3721         * testsuite/21_strings/basic_string/cons/wchar_t/86138.cc: New.
3722
3723 2018-06-21  Jonathan Wakely  <jwakely@redhat.com>
3724
3725         PR libstdc++/83328
3726         * acinclude.m4 (libtool_VERSION): Bump to 6:26:0.
3727         * config/abi/pre/gnu.ver: Add GLIBCXX_3.4.26 and export new symbol.
3728         * configure: Regenerate.
3729         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
3730         (basic_string::insert(const_iterator, initializer_list<C>)): Add.
3731         [_GLIBCXX_USE_CXX11_ABI && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
3732         (basic_string::insert(iterator, initializer_list<C>)): Suppress
3733         definition.
3734         * include/debug/string (basic_string::insert(iterator, C)): Change
3735         first parameter to const_iterator.
3736         (basic_string::insert(iterator, size_type, C)): Likewise. Change
3737         return type to iterator.
3738         (basic_string::insert(iterator, InputIterator, InputIterator)):
3739         Likewise.
3740         (basic_string::insert(iterator, initializer_list<C>)): Change first
3741         parameter to const_iterator and return type to iterator.
3742         * src/c++11/string-inst.cc: Extend comment.
3743         * testsuite/21_strings/basic_string/modifiers/insert/char/83328.cc:
3744         New.
3745         * testsuite/21_strings/basic_string/modifiers/insert/wchar_t/83328.cc:
3746         New.
3747         * testsuite/util/testsuite_abi.cc: Add new symbol version.
3748
3749         * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
3750
3751         PR libstdc++/70940
3752         * include/experimental/memory_resource
3753         (__resource_adaptor_imp::do_deallocate): Add missing return.
3754         * testsuite/experimental/memory_resource/new_delete_resource.cc: New.
3755         * testsuite/experimental/memory_resource/resource_adaptor.cc: Test
3756         resource_adaptor with std::allocator, __gnu_cxx::new_allocator and
3757         __gnu_cxx::malloc_allocator.
3758
3759         PR libstdc++/70940
3760         * include/experimental/memory_resource (__resource_adaptor_common):
3761         New base class.
3762         (__resource_adaptor_common::_AlignMgr): Helper for obtaining aligned
3763         pointer from unaligned, and vice versa.
3764         (__resource_adaptor_imp::do_allocate): Use _AlignMgr to adjust
3765         allocated pointer to meet alignment request.
3766         (__resource_adaptor_imp::do_deallocate): Use _AlignMgr to retrieve
3767         original pointer for deallocation.
3768         (__resource_adaptor_imp::do_is_equal): Reformat.
3769         (__resource_adaptor_imp::_S_aligned_size): Remove.
3770         (__resource_adaptor_imp::_S_supported): Remove.
3771         (new_delete_resource): Use __gnu_cxx::new_allocator.
3772         * testsuite/experimental/memory_resource/resource_adaptor.cc: Test
3773         extended alignments and use debug_allocator to check for matching
3774         allocate/deallocate pairs.
3775
3776 2018-06-21  François Dumont  <fdumont@gcc.gnu.org>
3777
3778         * include/debug/safe_iterator.h
3779         (_Safe_iterator<>(const _Safe_iterator<_MutableIterator,>& __x)):
3780         Compare __x base iterator with a value-initialized iterator of the
3781         same type.
3782
3783 2018-06-20  Jonathan Wakely  <jwakely@redhat.com>
3784
3785         PR libstdc++/70966
3786         * include/experimental/memory_resource (__resource_adaptor_imp): Add
3787         static assertions to enforce requirements on pointer types.
3788         (__resource_adaptor_imp::get_allocator()): Add noexcept.
3789         (new_delete_resource, null_memory_resource): Return address of an
3790         object with dynamic storage duration.
3791         (__null_memory_resource): Remove.
3792         * testsuite/experimental/memory_resource/70966.cc: New.
3793
3794         * testsuite/20_util/duration/arithmetic/dr3050.cc: Add new test
3795         missed from recent commit.
3796
3797 2018-06-19  Jonathan Wakely  <jwakely@redhat.com>
3798
3799         * include/std/utility: Remove unused <exception> header.
3800
3801 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
3802
3803         LWG 2975 ensure construct(pair<T,U>*, ...) used to construct pairs
3804         * include/std/scoped_allocator (__not_pair): Define SFINAE helper.
3805         (construct(_Tp*, _Args&&...)): Remove from overload set when _Tp is
3806         a specialization of std::pair.
3807         * testsuite/20_util/scoped_allocator/construct_pair.cc: Ensure
3808         pair elements are constructed correctly.
3809
3810         LWG 2989 hide path iostream operators from normal lookup
3811         * include/bits/fs_path.h (operator<<, operator>>): Define inline as
3812         friends.
3813         * testsuite/27_io/filesystem/path/io/dr2989.cc: New.
3814
3815         LWG 3050 Fix cv-qualification of convertibility constraints
3816         * include/std/chrono (duration, operator*, operator/, operator%): Use
3817         const-qualified type as source type in is_convertible constraints.
3818         * testsuite/20_util/duration/arithmetic/dr3050.cc: New.
3819         * testsuite/20_util/duration/cons/dr3050.cc: New.
3820         * testsuite/20_util/duration/literals/range.cc: Rename to...
3821         * testsuite/20_util/duration/literals/range_neg.cc: Here. Adjust
3822         dg-error lineno.
3823
3824 2018-06-18  Maya Rashish  <coypu@sdf.org>
3825
3826         * crossconfig.m4: Handle OpenBSD just like NetBSD.
3827         * configure: Rebuilt.
3828
3829 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
3830
3831         P0754R2 <version> header
3832         * include/Makefile.am: Add new header.
3833         * include/Makefile.in: Regenerate.
3834         * include/bits/c++config: Change doxygen comment to suggest <version>
3835         instead of <iosfwd>.
3836         * include/precompiled/stdc++.h: Include <cwchar> and <cwctype>
3837         unconditionally.  Add C++17 and C++20 headers.
3838         * include/std/version: New header.
3839         * testsuite/17_intro/headers/c++2017/all_attributes.cc: New.
3840         * testsuite/17_intro/headers/c++2017/all_no_exceptions.cc: New.
3841         * testsuite/17_intro/headers/c++2017/all_no_rtti.cc: New.
3842         * testsuite/17_intro/headers/c++2017/all_pedantic_errors.cc: New.
3843         * testsuite/17_intro/headers/c++2017/operator_names.cc: New.
3844         * testsuite/17_intro/headers/c++2017/stdc++.cc: New.
3845         * testsuite/17_intro/headers/c++2017/stdc++_multiple_inclusion.cc:
3846         New.
3847         * testsuite/17_intro/headers/c++2020/all_attributes.cc: New.
3848         * testsuite/17_intro/headers/c++2020/all_no_exceptions.cc: New.
3849         * testsuite/17_intro/headers/c++2020/all_no_rtti.cc: New.
3850         * testsuite/17_intro/headers/c++2020/all_pedantic_errors.cc: New.
3851         * testsuite/17_intro/headers/c++2020/operator_names.cc: New.
3852         * testsuite/17_intro/headers/c++2020/stdc++.cc: New.
3853         * testsuite/17_intro/headers/c++2020/stdc++_multiple_inclusion.cc:
3854         New.
3855         * testsuite/18_support/headers/version/macros.cc: New.
3856         * testsuite/18_support/headers/version/macros.cc: New.
3857
3858         * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Only check when
3859         enable_libstdcxx_filesystem_ts = yes. Check for link, readlink and
3860         symlink.
3861         * config.h.in: Regenerate.
3862         * configure: Regenerate.
3863         * configure.ac: Remove AC_CHECK_FUNCS for link, readlink and symlink.
3864
3865         LWG 3035. std::allocator's constructors should be constexpr
3866         * include/bits/allocator.h (allocator): Add constexpr to constructors
3867         for C++2a. Replace dynamic exception specifications with NOTHROW
3868         macro.
3869         (allocator, operator==, operator!=): Replace USE_NOEXCEPT macro with
3870         NOTHROW.
3871         * include/bits/c++config (_GLIBCXX20_CONSTEXPR): Define.
3872         * include/ext/malloc_allocator.h (malloc_allocator): Add constexpr
3873         to constructors for C++2a.
3874         * include/ext/new_allocator.h (new_allocator): Likewise.
3875
3876 2018-06-16  Jonathan Wakely  <jwakely@redhat.com>
3877
3878         LWG 3076 basic_string CTAD ambiguity
3879         * doc/xml/manual/intro.xml: Document LWG 3076 change.
3880         * include/bits/basic_string.h
3881         [__cpp_deduction_guides && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
3882         (basic_string(const _CharT*, const _Alloc&)): Turn into a function
3883         template constrained by _RequireAllocator.
3884         (basic_string(size_type, _CharT, const _Alloc&)): Likewise.
3885         * src/c++11/string-inst.cc (_GLIBCXX_DEFINING_STRING_INSTANTIATIONS):
3886         Define.
3887         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
3888         deduction
3889         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
3890         Likewise.
3891
3892 2018-06-15  Jonathan Wakely  <jwakely@redhat.com>
3893
3894         PR libstdc++/86169
3895         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
3896         (basic_string::data()): Unshare string.
3897         * testsuite/21_strings/basic_string/operations/data/char/86169.cc:
3898         New.
3899
3900         * include/std/string_view (basic_string_view(const CharT*)): Remove
3901         check for null pointer and add nonnull attribute.
3902         (compare(const CharT*), compare(size_type, size_type, const CharT*))
3903         (find(const CharT*, size_type), rfind(const CharT*, size_type))
3904         (find_first_of(const CharT*, size_type))
3905         (find_last_of(const CharT*, size_type))
3906         (find_first_not_of(const CharT*, size_type))
3907         (find_last_not_of(const CharT*, size_type)): Add nonnull attribute.
3908         * testsuite/21_strings/basic_string_view/cons/char/nonnull.cc: New.
3909         * testsuite/21_strings/basic_string_view/operations/compare/char/
3910         nonnull.cc: New.
3911         * testsuite/21_strings/basic_string_view/operations/find/char/
3912         nonnull.cc: New.
3913         * testsuite/21_strings/basic_string_view/operations/rfind/char/
3914         nonnull.cc: New.
3915
3916         PR libstdc++/86168
3917         * include/bits/random.h (random_device(const string&)): Remove
3918         default argument.
3919
3920         * include/bits/char_traits.h (__cpp_lib_constexpr_char_traits): Only
3921         define for C++17 and above.
3922
3923         LWG 2993 reference_wrapper<T> conversion from T&&
3924         * doc/xml/manual/intro.xml: Document LWG 2993 change.
3925         * include/bits/refwrap.h (reference_wrapper(_Tp&)): Remove.
3926         (reference_wrapper(_Tp&&)): Remove.
3927         (reference_wrapper<_Up>(_Up&&)): Define new constructor as constrained
3928         template.
3929         (reference_wrapper): Add deduction guide.
3930         * testsuite/20_util/reference_wrapper/deduction.cc: New.
3931         * testsuite/20_util/reference_wrapper/lwg2993.cc: New.
3932
3933         LWG 3039 Unnecessary decay in thread and packaged_task
3934         * include/std/future (__constrain_pkgdtask): Replace with ...
3935         (packaged_task::__not_same): New alias template, using
3936         __remove_cvref_t instead of decay.
3937         * include/std/thread (thread::__not_same): Add comment.
3938
3939 2018-06-14  Jonathan Wakely  <jwakely@redhat.com>
3940
3941         LWG 3075 basic_string needs deduction guides from basic_string_view
3942         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
3943         deduction from string views.
3944         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
3945         Likewise.
3946
3947         LWG 3074 make scalar types non-deduced in valarray non-member functions
3948         * include/bits/valarray_after.h (_DEFINE_EXPR_BINARY_FUNCTION): Change
3949         scalar parameters to be a non-deduced context.
3950         * include/std/valarray (_DEFINE_BINARY_OPERATOR): Likewise. Adjust
3951         whitespace.
3952         * testsuite/26_numerics/valarray/operators.cc: Test scalar operands.
3953         * testsuite/26_numerics/valarray/transcend.cc: New.
3954
3955         * include/std/tuple (__cpp_lib_tuple_element_t, tuple_element_t):
3956         Move back to <utility>.
3957         * include/std/utility (__cpp_lib_tuple_element_t. tuple_element_t):
3958         Restore to here.
3959
3960         P0935R0 Eradicating unnecessarily explicit default constructors
3961         * include/backward/strstream (strstreambuf): Add non-explicit default
3962         constructor.
3963         * include/bits/locale_conv.h (wbuffer_convert, wstring_convert):
3964         Likewise.
3965         * include/bits/regex.h (match_results): Likewise.
3966         * testsuite/22_locale/conversions/buffer/1.cc: Test for non-explicit
3967         default constructor.
3968         * testsuite/22_locale/conversions/string/1.cc: Likewise.
3969         * testsuite/28_regex/match_results/ctors/char/default.cc: Likewise.
3970         * testsuite/28_regex/match_results/ctors/wchar_t/default.cc: Likewise.
3971
3972         * include/std/tuple (__cpp_lib_tuple_element_t): Move feature test
3973         macro from <utility> and change type to long.
3974         * include/std/utility (__cpp_lib_tuple_element_t): Remove.
3975         * testsuite/20_util/tuple/tuple_element_t.cc: Check for feature test
3976         macro.
3977
3978         P0935R0 Eradicating unnecessarily explicit default constructors
3979         * include/bits/random.h (uniform_real_distribution::param_type)
3980         (normal_distribution::param_type, lognormal_distribution::param_type)
3981         (gamma_distribution::param_type, chi_squared_distribution::param_type)
3982         (cauchy_distribution::param_type, fisher_f_distribution::param_type)
3983         (student_t_distribution::param_type)
3984         (bernoulli_distribution::param_type)
3985         (binomial_distribution::param_type)
3986         (geometric_distribution::param_type)
3987         (negative_binomial_distribution::param_type)
3988         (poisson_distribution::param_type)
3989         (exponential_distribution::param_type)
3990         (weibull_distribution::param_type)
3991         (extreme_value_distribution::param_type): Add non-explicit default
3992         constructors. Remove default argument for first parameter of explicit
3993         constructors.
3994         * include/bits/uniform_int_dist.h
3995         (uniform_int_distribution::param_type): Likewise.
3996         * include/ext/random
3997         (beta_distribution::param_type, rice_distribution::param_type)
3998         (nakagami_distribution::param_type, pareto_distribution::param_type)
3999         (k_distribution::param_type, arcsine_distribution::param_type)
4000         (hoyt_distribution::param_type, triangular_distribution::param_type)
4001         (von_mises_distribution::param_type)
4002         (hypergeometric_distribution::param_type)
4003         (logistic_distribution::param_type)
4004         (uniform_inside_sphere_distribution::param_type): Likewise.
4005         (uniform_on_sphere_distribution::param_type): Make default constructor
4006         non-explicit.
4007         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
4008         Test param_type for non-explicit default constructor.
4009         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
4010         Likewise.
4011         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
4012         Likewise.
4013         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
4014         Likewise.
4015         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
4016         Likewise.
4017         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
4018         Likewise.
4019         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
4020         Likewise.
4021         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
4022         Likewise.
4023         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
4024         Likewise.
4025         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
4026         Likewise.
4027         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
4028         Likewise.
4029         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
4030         Likewise.
4031         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
4032         Likewise.
4033         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
4034         Likewise.
4035         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
4036         Likewise.
4037         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
4038         Likewise.
4039         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
4040         Likewise.
4041         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
4042         Likewise.
4043         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
4044         Likewise.
4045         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
4046         Likewise.
4047         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
4048         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
4049         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
4050         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
4051         Likewise.
4052         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
4053         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
4054         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
4055         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
4056         Likewise.
4057         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
4058         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
4059         * testsuite/ext/random/triangular_distribution/cons/default.cc:
4060         Likewise.
4061         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
4062         Likewise.
4063         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
4064         Likewise.
4065         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
4066         Likewise.
4067
4068 2018-06-14  Daniel Trebbien <dtrebbien@gmail.com>
4069             Jonathan Wakely  <jwakely@redhat.com>
4070
4071         PR libstdc++/83982
4072         * include/bits/vector.tcc (vector::_M_default_append(size_type)):
4073         Default-construct new elements before moving existing ones.
4074         * testsuite/23_containers/vector/capacity/resize/strong_guarantee.cc:
4075         New.
4076
4077 2018-06-13  Jonathan Wakely  <jwakely@redhat.com>
4078
4079         PR libstdc++/86127
4080         * include/bits/forward_list.h (_Fwd_list_base::_Tp_alloc_type): Remove
4081         unused typedef.
4082         (_Fwd_list_base::_M_create_node, _Fwd_list_base::_M_erase_after):
4083         Use node allocator to create and destroy elements.
4084         (forward_list::_Tp_alloc_type): Remove unused typedef.
4085         (forward_list::_Alloc_traits): Use allocator_traits instead of
4086         __gnu_cxx::__alloc_traits.
4087
4088 2018-06-13  François Dumont  <fdumont@gcc.gnu.org>
4089
4090         * include/debug/helper_functions.h
4091         (__gnu_debug::_Safe_iterator<>): Add declaration.
4092         (__can_advance(_Ite, _Size)): New.
4093         (__can_advance(const _Safe_iterator<>&, _Size)): Overload declaration.
4094         * include/debug/functions.h
4095         (__gnu_debug::_Safe_iterator<>): Remove declaration.
4096         * include/debug/stl_iterator.h
4097         (__can_advance(const _Safe_iterator<>&)): New definition.
4098         * include/debug/stl_iterator.h
4099         (__can_advance(const std::reverse_iterator<>&, _Size)): New.
4100         (__can_advance(const std::move_iterator<>&, _Size)): New.
4101         * include/debug/macros.h (__glibcxx_check_can_increment): New.
4102         * include/debug/debug.h (__glibcxx_requires_can_increment): New.
4103         * include/bits/stl_algobase.h (fill_n): Use latter.
4104         * testsuite/25_algorithms/fill_n/2.cc: New.
4105         * testsuite/25_algorithms/fill_n/debug/1_neg.cc: New.
4106         * testsuite/25_algorithms/fill_n/debug/2_neg.cc: New.
4107         * testsuite/25_algorithms/fill_n/debug/3_neg.cc: New.
4108         * testsuite/25_algorithms/fill_n/debug/4_neg.cc: New.
4109
4110         * include/debug/debug.h (__glibcxx_requires_can_increment_range): New.
4111         (__glibcxx_requires_can_decrement_range): New.
4112
4113 2018-06-12  François Dumont  <fdumont@gcc.gnu.org>
4114
4115         * include/debug/macros.h (__glibcxx_check_can_increment_range): New.
4116         (__glibcxx_check_can_decrement_range): New.
4117         * include/bits/stl_algobase.h (std::copy(_II, _II, _OI)): Use
4118         __glibcxx_requires_can_increment_range.
4119         (std::move(_II, _II, _OI)): Likewise.
4120         (std::copy_backward(_BI, _BI, _BI2)): Use
4121         __glibcxx_requires_can_decrement_range.
4122         (std::move_backward(_BI, _BI, _BI2)): Likewise.
4123         * testsuite/25_algorithms/copy_backward/debug/1_neg.cc: New.
4124         * testsuite/25_algorithms/copy_backward/debug/2_neg.cc: New.
4125         * testsuite/25_algorithms/copy_backward/debug/3_neg.cc: New.
4126         * testsuite/25_algorithms/equal/debug/1_neg.cc: New.
4127         * testsuite/25_algorithms/equal/debug/2_neg.cc: New.
4128         * testsuite/25_algorithms/equal/debug/3_neg.cc: New.
4129
4130 2018-06-12  Jonathan Wakely  <jwakely@redhat.com>
4131
4132         P0935R0 Eradicating unnecessarily explicit default constructors
4133         * include/bits/random.h (linear_congruential_engine)
4134         (mersenne_twister_engine, subtract_with_carry_engine, random_device)
4135         (uniform_real_distribution, normal_distribution)
4136         (lognormal_distribution, gamma_distribution, chi_squared_distribution)
4137         (cauchy_distribution, fisher_f_distribution, student_t_distribution)
4138         (bernoulli_distribution, binomial_distribution,geometric_distribution)
4139         (negative_binomial_distribution, exponential_distribution)
4140         (weibull_distribution, extreme_value_distribution): Add non-explicit
4141         default constructors. Remove default argument for first parameter of
4142         explicit constructors.
4143         (piecewise_constant_distribution, piecewise_linear_distribution):
4144         Make default constructor non-explicit.
4145         * include/bits/uniform_int_dist.h (uniform_int_distribution): Add
4146         non-explicit default constructors. Remove default argument for first
4147         parameter of explicit constructor.
4148         * include/ext/random
4149         (simd_fast_mersenne_twister_engine, beta_distribution)
4150         (rice_distribution, nakagami_distribution, pareto_distribution)
4151         (k_distribution, arcsine_distribution, hoyt_distribution)
4152         (triangular_distribution, von_mises_distribution)
4153         (hypergeometric_distribution, logistic_distribution)
4154         (uniform_inside_sphere_distribution): Likewise.
4155         (uniform_on_sphere_distribution): Make default constructor
4156         non-explicit.
4157         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
4158         Test for non-explicit default constructor. Fix references to standard.
4159         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
4160         Likewise.
4161         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
4162         Likewise.
4163         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
4164         Likewise.
4165         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
4166         Likewise.
4167         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
4168         Likewise.
4169         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
4170         Likewise.
4171         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
4172         Likewise.
4173         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
4174         Likewise.
4175         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
4176         Likewise.
4177         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
4178         Likewise.
4179         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
4180         Likewise.
4181         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
4182         Likewise.
4183         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
4184         Likewise.
4185         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
4186         Likewise.
4187         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
4188         Likewise.
4189         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
4190         Likewise.
4191         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
4192         Likewise.
4193         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
4194         Likewise.
4195         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
4196         Likewise.
4197         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
4198         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
4199         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
4200         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
4201         Likewise.
4202         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
4203         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
4204         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
4205         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
4206         Likewise.
4207         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
4208         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
4209         * testsuite/ext/random/triangular_distribution/cons/default.cc:
4210         Likewise.
4211         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
4212         Likewise.
4213         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
4214         Likewise.
4215         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
4216         Likewise.
4217         * testsuite/util/testsuite_common_types.h
4218         (implicitly_default_constructible): New helper.
4219
4220 2018-06-08  Jonathan Wakely  <jwakely@redhat.com>
4221
4222         * include/bits/ios_base.h (ios::Init::Init(const Init&))
4223         (ios::Init::operator=): Define as defaulted.
4224         * include/bits/stl_bvector.h (_Bit_reference(const _Bit_reference&)):
4225         Likewise.
4226         * include/bits/stream_iterator.h (istream_iterator::operator=)
4227         (ostream_iterator::operator=): Likewise.
4228         * include/bits/streambuf_iterator.h (istreambuf_iterator::operator=)
4229         Likewise.
4230         * include/std/bitset (bitset::reference::reference(const reference&)):
4231         Likewise.
4232         * include/std/complex (complex<float>::complex(const complex&))
4233         (complex<double>::complex(const complex&))
4234         (complex<long double>::complex(const complex&)): Likewise.
4235
4236 2018-06-07  Jonathan Wakely  <jwakely@redhat.com>
4237
4238         * include/bits/regex.h (sub_match): Add noexcept to default
4239         constructor and length observer.
4240         (match_results): Add noexcept to default constructor and observers
4241         with no preconditions. Define destructor as defaulted.
4242         (operator==, operator!=, swap): Add noexcept.
4243         (regex_iterator): Add default member initializers and define default
4244         constructor and destructor as defaulted. Add noexcept to equality
4245         and dereference operators.
4246
4247 2018-06-07  François Dumont  <fdumont@gcc.gnu.org>
4248
4249         * src/c++11/debug.cc
4250         (_Safe_iterator_base::_M_detach()): Reset state only if needed.
4251         (_Safe_iterator_base::_M_detach_single()): Likewise.
4252         (_Safe_local_iterator_base::_M_detach()): Reset state only if needed.
4253         (_Safe_local_iterator_base::_M_detach_single()): Likewise.
4254
4255 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
4256
4257         * include/bits/shared_ptr_base.h (__shared_count): Remove redundant
4258         move of const value.
4259
4260 2018-06-06  Jakub Jelinek  <jakub@redhat.com>
4261
4262         PR c++/86068
4263         * include/bits/c++config: Check __cpp_transactional_memory >= 201500L
4264         rather than __cpp_transactional_memory >= 201505L.
4265
4266 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
4267
4268         PR libstdc++/86008
4269         * include/bits/quoted_string.h (_Quoted_string<basic_string_view, C>):
4270         Define new partial specialization.
4271         * include/std/iomanip (quoted(basic_string_view<C,T>, C, C)): Define
4272         new overload.
4273         (operator<<(basic_ostream<C,T>&, const _Quoted_string<S,C>&)): Use
4274         value not reference for iteration.
4275         * testsuite/27_io/manipulators/standard/char/quoted.cc: Adjust
4276         comment.
4277         * testsuite/27_io/manipulators/standard/char/quoted_sv.cc: New test.
4278         * testsuite/27_io/manipulators/standard/wchar_t/quoted.cc: Adjust
4279         comment.
4280
4281 2018-06-05  Jonathan Wakely  <jwakely@redhat.com>
4282
4283         * include/std/type_traits: Fix comment typos.
4284
4285         * testsuite/27_io/filesystem/operations/read_symlink.cc: XFAIL for
4286         mingw* targets.
4287         * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
4288         * testsuite/experimental/filesystem/operations/read_symlink.cc:
4289         Likewise.
4290
4291 2018-06-05  François Dumont  <fdumont@gcc.gnu.org>
4292
4293         * include/bits/stl_tempbuf.h
4294         (_Temporary_buffer(_FwdIte, _FwdIte)): Delete, replaced by...
4295         (_Temporary_buffer(_FwdIte, size_type)): ...this, new.
4296         * include/ext/memory (temporary_buffer<>(_FwdIte, _FwdIte)): Adapt.
4297         * include/bits/stl_algo.h (__stable_partition): Adapt.
4298         (__inplace_merge): Adapt.
4299         (__stable_sort): Adapt.
4300
4301 2018-06-04  Jonathan Wakely  <jwakely@redhat.com>
4302
4303         PR libstdc++/85930
4304         * include/bits/shared_ptr_base.h [!__cpp_rtti]: Include <typeinfo>
4305         unconditionally. Remove redundant declaration.
4306         [!__cpp_rtti] (_Sp_make_shared_tag::_S_ti): Fix location of
4307         alignment-specifier.
4308
4309         * include/bits/postypes.h (fpos): Define special members as defaulted.
4310
4311         PR libstdc++/85930
4312         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Align
4313         the static variable correctly.
4314
4315 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
4316
4317         PR libstdc++/78870 support std::filesystem on Windows
4318         * config.h.in: Regenerate.
4319         * configure: Regenerate.
4320         * configure.ac: Check for link, readlink and symlink.
4321         * include/bits/fs_path.h (path::operator/=(const path&)): Move
4322         definition out of class body.
4323         (path::is_absolute(), path::_M_append(path)): Likewise.
4324         (operator<<(basic_ostream, const path&)): Use std::quoted directly.
4325         (operator>>(basic_istream, path&)): Likewise.
4326         (u8path): Reorder definitions and fix Windows implementation.
4327         (path::is_absolute()): Define inline and fix for Windows.
4328         [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
4329         Define POSIX version inline.
4330         (path::_M_append(path)): Define inline.
4331         * include/experimental/bits/fs_path.h (path::is_absolute()): Move
4332         definition out of class body.
4333         (operator<<(basic_ostream, const path&)): Fix type of delimiter and
4334         escape characters.
4335         (operator>>(basic_istream, path&)): Likewise.
4336         (path::is_absolute()): Define inline and fix for Windows.
4337         * src/filesystem/dir-common.h (__gnu_posix): New namespace.
4338         (__gnu_posix::char_type, __gnu_posix::DIR, __gnu_posix::dirent)
4339         (__gnu_posix::opendir, __gnu_posix::readdir, __gnu_posix::closedir):
4340         Define as adaptors for Windows functions/types or as
4341         using-declarations for POSIX functions/types.
4342         (_Dir_base, get_file_type): Qualify names to use declarations from
4343         __gnu_posix namespace.
4344         (_Dir_base::is_dor_or_dotdot): New helper functions.
4345         * src/filesystem/dir.cc (_Dir, recursive_directory_iterator): Qualify
4346         names to use declarations from __gnu_posix namespace.
4347         * src/filesystem/ops-common.h (__gnu_posix): New nested namespace.
4348         (__gnu_posix::open, __gnu_posix::close, __gnu_posix::stat_type)
4349         (__gnu_posix::stat, __gnu_posix::lstat, __gnu_posix::mode_t)
4350         (__gnu_posix::chmod, __gnu_posix::mkdir, __gnu_posix::getcwd)
4351         (__gnu_posix::chdir, __gnu_posix::utimbuf, __gnu_posix::utime)
4352         (__gnu_posix::rename, __gnu_posix::truncate, __gnu_posix::char_type):
4353         Define as adaptors for Windows functions/types or as
4354         using-declarations for POSIX functions/types.
4355         (stat_type, do_copy_file): Qualify names to use declarations from
4356         __gnu_posix namespace.
4357         (do_space): Declare new function.
4358         (make_file_type): Only use S_ISLNK if defined.
4359         * src/filesystem/ops.cc (char_ptr, filesystem::canonical): Use
4360         path::value_type not char.
4361         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
4362         names to use declarations from __gnu_posix namespace.
4363         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
4364         add implementation for Windows.
4365         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
4366         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
4367         [!_PC_PATH_MAX]: Don't use pathconf.
4368         [PATH_MAX]: Use if defined.
4369         (filesystem::current_path(const path&, error_code&))
4370         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
4371         (filesystem::last_write_time, filesystem::permissions): Use names
4372         from __gnu_posix.
4373         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
4374         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
4375         implementation for Windows.
4376         (filesystem::rename, filesystem::resize_file): Use names from
4377         __gnu_posix.
4378         (filesystem::space): Use do_space.
4379         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Get absolute path to directory.
4380         (filesystem::status, filesystem::symlink_status): Use names from
4381         __gnu_posix.
4382         (filesystem::temp_directory_path): Add implementation for Windows.
4383         * src/filesystem/path.cc (dot): Define constant.
4384         (path::replace_extension): Use dot.
4385         (path::_M_find_extension): Likewise. Use path::string_type not
4386         std::string.
4387         (path::_M_split_cmpts): Use dot.
4388         (filesystem_error::_M_get_what): Use u8string() not native().
4389         * src/filesystem/std-dir.cc (_Dir, recursive_directory_iterator):
4390         Qualify names to use declarations from __gnu_posix namespace.
4391         * src/filesystem/std-ops.cc (filesystem::absolute(const path&)): Use
4392         correct error_code.
4393         (filesystem::absolute(const path&, error_code&)): Add implementation
4394         for Windows.
4395         (char_ptr, filesystem::canonical): Use path::value_type not char.
4396         (do_copy_file): Use names from __gnu_posix.
4397         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Do not use fchmod, fchmodat or
4398         sendfile.
4399         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
4400         names to use declarations from __gnu_posix namespace.
4401         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
4402         add implementation for Windows.
4403         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
4404         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
4405         [!_PC_PATH_MAX]: Don't use pathconf.
4406         [PATH_MAX]: Use if defined.
4407         (filesystem::current_path(const path&, error_code&))
4408         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
4409         (filesystem::last_write_time, filesystem::permissions): Use names
4410         from __gnu_posix.
4411         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
4412         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
4413         implementation for Windows.
4414         (filesystem::rename, filesystem::resize_file): Use names from
4415         __gnu_posix.
4416         (do_space): Define.
4417         (filesystem::space): Use do_space.
4418         (filesystem::status, filesystem::symlink_status): Use names from
4419         __gnu_posix.
4420         (filesystem::temp_directory_path): Add implementation for Windows.
4421         * src/filesystem/std-path.cc
4422         [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
4423         Define for Windows.
4424         (dot): Define constant.
4425         (path::replace_extension, is_dot): Use dot.
4426         (path::lexically_normal): Check _M_type instead of calling
4427         non-existent function.
4428         (path::_M_find_extension): Use dot. Use path::string_type not
4429         std::string.
4430         (path::_M_split_cmpts): Use dot.
4431         (filesystem_error::_M_get_what): Use u8string() not native().
4432         * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Do not
4433         use symlinks.
4434         * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
4435         Likewise.
4436         * testsuite/27_io/filesystem/operations/absolute.cc: Use
4437         __gnu_test::root_path() instead of "/" and add Windows-specific tests.
4438         * testsuite/27_io/filesystem/operations/canonical.cc: Use
4439         path::string() to get narrow string, not path::native().
4440         * testsuite/27_io/filesystem/operations/copy.cc: Construct fstreams
4441         with std::filesystem::path not std::basic_string.
4442         * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
4443         * testsuite/27_io/filesystem/operations/exists.cc: Use
4444         __gnu_test::root_path() instead of "/".
4445         * testsuite/27_io/filesystem/operations/is_empty.cc: Construct
4446         fstreams with std::filesystem::path not std::basic_string.
4447         * testsuite/27_io/filesystem/operations/last_write_time.cc: Use
4448         path::string() to get narrow string.
4449         * testsuite/27_io/filesystem/operations/space.cc: Check results for
4450         errors, expect sensible values otherwise.
4451         * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Add
4452         helpers for adjusting the environment on Windows.
4453         * testsuite/27_io/filesystem/path/append/path.cc: Test
4454         Windows-specific behaviour.
4455         * testsuite/27_io/filesystem/path/construct/format.cc: Fix creation
4456         of path::string_type objects.
4457         * testsuite/27_io/filesystem/path/construct/locale.cc: Compare native
4458         string to wide string on Windows.
4459         * testsuite/27_io/filesystem/path/decompose/root_directory.cc: Allow
4460         for backslash as root-directory.
4461         * testsuite/27_io/filesystem/path/decompose/stem.cc: Use
4462         path::string() to get narrow string.
4463         * testsuite/27_io/filesystem/path/itr/traversal.cc: Test Windows-style
4464         paths.
4465         * testsuite/27_io/filesystem/path/native/string.cc: Use string_type
4466         not std::string.
4467         * testsuite/27_io/filesystem/path/query/is_absolute.cc: Adjust for
4468         different definintion of absolute paths on Windows.
4469         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
4470         Do not use symlinks.
4471         * testsuite/experimental/filesystem/operations/absolute.cc: Test
4472         Windows behaviour.
4473         * testsuite/experimental/filesystem/operations/copy.cc: Construct
4474         fstreams with NTCTS not std::basic_string.
4475         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
4476         * testsuite/experimental/filesystem/operations/exists.cc: Use
4477         __gnu_test::root_path() instead of "/".
4478         * testsuite/experimental/filesystem/operations/is_empty.cc: Construct
4479         fstreams with NTCTS not std::basic_string.
4480         * testsuite/experimental/filesystem/operations/last_write_time.cc:
4481         Use path::string() to get narrow string.
4482         * testsuite/experimental/filesystem/operations/space.cc: Use
4483         __gnu_test::root_path() instead of "/".
4484         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
4485         Add helpers for adjusting the environment on Windows.
4486         * testsuite/experimental/filesystem/path/append/path.cc: Use
4487         path::string() to get narrow strings for comparisons.
4488         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
4489         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
4490         Likewise.
4491         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
4492         * testsuite/experimental/filesystem/path/native/string.cc: Use
4493         string_type not std::string.
4494         * testsuite/experimental/filesystem/path/query/is_absolute.cc:
4495         Adjust for different definintion of absolute paths on Windows.
4496         * testsuite/util/testsuite_fs.h (__gnu_test::root_path()): New
4497         function.
4498         (__gnu_test::scoped_file): Construct fstreams with NTCTS not
4499         std::basic_string.
4500
4501 2018-05-31  Jonathan Wakely  <jwakely@redhat.com>
4502
4503         PR libstdc++/85951
4504         * include/std/type_traits [_GLIBCXX_USE_C99_STDINT_TR1]: Do not define
4505         uint_least16_t and uint_least32_t.
4506         (__make_unsigned<wchar_t>): Define unconditionally.
4507         (__make_unsigned_selector<_Tp, true, false>): Remove intermediate
4508         typedefs.
4509         (__make_unsigned_selector_base): New type to provide helper templates.
4510         (__make_unsigned_selector<_Tp, false, true>): Reimplement using
4511         __make_unsigned_selector_base helpers.
4512         (__make_unsigned<char16_t>, __make_unsigned<char32_t>): Define.
4513         (__make_signed_selector<_Tp, true, false>): Remove intermediate
4514         typedefs.
4515         (__make_signed<wchar_t>, __make_signed<char16_t>)
4516         (__make_signed<char32_t>)): Define unconditionally.
4517         * testsuite/20_util/make_signed/requirements/typedefs-3.cc: Check
4518         wchar_t, char16_t and char32_t are transformed correctly.
4519         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Adjust
4520         dg-error lineno.
4521         * testsuite/20_util/make_unsigned/requirements/typedefs-3.cc: Check
4522         wchar_t, char16_t and char32_t are transformed correctly.
4523         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc: Adjust
4524         dg-error lineno.
4525
4526 2018-05-29  Jonathan Wakely  <jwakely@redhat.com>
4527
4528         * include/std/variant (__erased_dtor): Qualify call to __get.
4529
4530 2018-05-27  François Dumont  <fdumont@gcc.gnu.org>
4531
4532         * include/bits/stl_tree.h (_Rb_tree_impl(_Node_allocator&&)): New.
4533         (_Rb_tree(const allocator_type&)): Use latter.
4534         * include/bits/stl_map.h (map(const allocator_type&)): Likewise.
4535         (map(initializer_list<value_type>, const allocator_type&)): Likewise.
4536         (map(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
4537         * include/bits/stl_multimap.h
4538         (multimap(const allocator_type&)): Likewise.
4539         (multimap(initializer_list<value_type>, const allocator_type&)):
4540         Likewise.
4541         (multimap(_InputIterator, _InputIterator, const allocator_type&)):
4542         Likewise.
4543         * include/bits/stl_set.h (set(const allocator_type&)): Likewise.
4544         (set(initializer_list<value_type>, const allocator_type&)): Likewise.
4545         (set(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
4546         * include/bits/stl_multiset.h
4547         (multiset(const allocator_type&)): Likewise.
4548         (multiset(initializer_list<value_type>, const allocator_type&)):
4549         Likewise.
4550         (multiset(_InputIterator, _InputIterator, const allocator_type&)):
4551         Likewise.
4552
4553 2018-05-25  François Dumont  <fdumont@gcc.gnu.org>
4554
4555         PR libstdc++/85768
4556         * src/c++11/debug.cc: Remove backtrace usage.
4557
4558 2018-05-24  Maya Rashish  <coypu@sdf.org>
4559
4560         PR target/85904
4561         * crossconfig.m4: Test for aligned_alloc on netbsd.
4562         * configure: Regenerate.
4563
4564 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
4565
4566         PR libstdc++/69769
4567         PR libstdc++/85886
4568         * include/bits/atomic_base.h (__atomic_base::value_type)
4569         (__atomic_base::difference_type): Add new typedefs.
4570         * include/std/atomic (atomic<bool>::value_type, atomic<T>::value_type)
4571         (atomic<T*>::value_type, atomic<T*>::difference_type): Likewise.
4572         (atomic<T*>::operator++, atomic<T*>::operator--)
4573         (atomic<T*>::operator+=, atomic<T*>::operator-=)
4574         (atomic<T*>::fetch_add, atomic<T*>::fetch_sub): Add static assertion
4575         to enforce C++17 requirement on pointer arithmetic.
4576         (__atomic_val_t, __atomic_diff_t): New alias templates.
4577         (atomic_init, atomic_store_explicit, atomic_exchange_explicit)
4578         (atomic_compare_exchange_weak_explicit)
4579         (atomic_compare_exchange_strong_explicit, atomic_store)
4580         (atomic_exchange, atomic_compare_exchange_weak)
4581         (atomic_compare_exchange_strong): Use __atomic_val_t to make
4582         scalar parameters be non-deduced contexts.
4583         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
4584         (atomic_fetch_add, atomic_fetch_sub): Change first parameter to be
4585         atomic instead of __atomic_base, and use __atomic_diff_t for scalar
4586         parameters.
4587         (atomic_fetch_and_explicit, atomic_fetch_or_explicit)
4588         (atomic_fetch_xor_explicit, atomic_fetch_and, atomic_fetch_or)
4589         (atomic_fetch_xor): Use __atomic_val_t for scalar parameters.
4590         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
4591         (atomic_fetch_add, atomic_fetch_sub): Remove overloads for atomic
4592         address types.
4593         * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error lineno.
4594         * testsuite/29_atomics/atomic/69769.cc: New test.
4595         * testsuite/29_atomics/atomic/nonmembers.cc: New test.
4596         * testsuite/29_atomics/atomic/operators/pointer_partial_void.cc:
4597         Disable test for C++17 and later.
4598         * testsuite/29_atomics/atomic/requirements/typedefs.cc: New test.
4599         * testsuite/29_atomics/atomic_integral/nonmembers.cc: New test.
4600         * testsuite/29_atomics/atomic_integral/requirements/typedefs.cc: New
4601         test.
4602
4603 2018-05-23  Jonathan Wakely  <jwakely@redhat.com>
4604
4605         * include/bits/fs_path.h (path::__is_encoded_char): Change from class
4606         template to alias template.
4607         (path::__value_type_is_char): Use remove_const_t.
4608         (path:_S_string_from_iter): New helper function.
4609         (path::_S_convert(InputIter, __null_terminated))
4610         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
4611         Use _S_string_from_iter.
4612         (path::string<_CharT, _Allocator>(const _Allocator&)): Allow sharing
4613         rep for COW strings.
4614         * include/experimental/bits/fs_path.h (path::__is_encoded_char):
4615         Change from class template to alias template.
4616         (path::__value_type_is_char): Use remove_const.
4617         (path:_S_string_from_iter): New helper function.
4618         (path::_S_convert(InputIter, __null_terminated))
4619         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
4620         Use _S_string_from_iter.
4621         * testsuite/27_io/filesystem/path/append/source.cc: Test appending
4622         wide strings.
4623         * testsuite/27_io/filesystem/path/concat/strings.cc: Check for exact
4624         string equality, not path equivalence.
4625         * testsuite/27_io/filesystem/path/construct/format.cc: Check
4626         construction from std::string and std::wstring and input iterators.
4627         * testsuite/27_io/filesystem/path/construct/locale.cc: Check
4628         construction from iterators.
4629         * testsuite/experimental/filesystem/path/concat/strings.cc: Check for
4630         exact string equality, not path equivalence.
4631         * testsuite/experimental/filesystem/path/construct/locale.cc: Check
4632         construction from iterators.
4633
4634         * include/bits/fs_path.h (path::_M_type): Change default member
4635         initializer to _Filename.
4636         (path::begin): Create past-the-end iterator for empty path.
4637         * src/filesystem/std-path.cc (path::remove_filename()): Remove
4638         debugging check.
4639         (path::has_relative_path()): Return false for empty filenames.
4640         (path::_M_split_cmpts): Set _M_type to _Filename for empty paths.
4641         Fix offset of empty final component.
4642         * testsuite/27_io/filesystem/path/itr/components.cc: New.
4643         * testsuite/27_io/filesystem/path/itr/traversal.cc: Add new inputs.
4644
4645 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
4646
4647         Add support for opening file streams from wide character strings.
4648         * config/io/basic_file_stdio.cc [_GLIBCXX_HAVE__WFOPEN]
4649         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
4650         Define new overload.
4651         * config/io/basic_file_stdio.h [_GLIBCXX_HAVE__WFOPEN]
4652         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
4653         Declare new overload.
4654         * configure.ac: Check for _wfopen.
4655         * crossconfig.m4: Likewise.
4656         * configure: Regenerate.
4657         * config.h.in: Regenerate.
4658         * include/bits/fstream.tcc [_GLIBCXX_HAVE__WFOPEN]
4659         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
4660         Define new overload.
4661         * include/std/fstream [_GLIBCXX_HAVE__WFOPEN]
4662         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
4663         Declare new overload.
4664         [_GLIBCXX_HAVE__WFOPEN]
4665         (basic_ifstream<C,T>::basic_ifstream(const wchar_t*, openmode))
4666         (basic_ifstream<C,T>::basic_open(const wchar_t*, openmode))
4667         (basic_ofstream<C,T>::basic_ifstream(const wchar_t*, openmode))
4668         (basic_ofstream<C,T>::basic_open(const wchar_t*, openmode))
4669         (basic_fstream<C,T>::basic_ifstream(const wchar_t*, openmode))
4670         (basic_fstream<C,T>::basic_open(const wchar_t*, openmode)): Define
4671         new overloads.
4672         * testsuite/27_io/basic_filebuf/open/wchar_t/1.cc: New.
4673         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: New.
4674         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: New.
4675         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: New.
4676         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: New.
4677         * testsuite/27_io/basic_fstream/cons/wchar_t/1.cc: New.
4678         * testsuite/27_io/basic_fstream/open/wchar_t/1.cc: New.
4679
4680 2018-05-21  François Dumont  <fdumont@gcc.gnu.org>
4681
4682         PR libstdc++/85845
4683         * include/bits/stl_tree.h
4684         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): Fix noexcept
4685         qualification.
4686
4687 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
4688
4689         * src/filesystem/std-ops.cc (absolute): Report an error for empty
4690         paths.
4691         (weakly_canonical(const path&)): Do not call canonical on empty path.
4692         (weakly_canonical(const path&, error_code&)): Likewise.
4693         * testsuite/27_io/filesystem/operations/absolute.cc: Check for errors.
4694
4695         PR libstdc++/85818
4696         * testsuite/experimental/filesystem/path/preferred_separator.cc: Add
4697         dg-require-filesystem-ts.
4698
4699         PR libstdc++/85843
4700         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Explicitly
4701         initialize base class to avoid warnings.
4702
4703 2018-05-19  Jonathan Wakely  <jwakely@redhat.com>
4704
4705         * src/c++11/codecvt.cc (__codecvt_utf8_base<wchar_t>::do_in)
4706         [__SIZEOF_WCHAR_T__==2 && __BYTE_ORDER__!=__ORDER_BIG_ENDIAN__]: Set
4707         little_endian element in bitmask.
4708         * testsuite/22_locale/codecvt/codecvt_utf8/69703.cc: Run all tests.
4709         * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: New.
4710
4711 2018-05-18  François Dumont  <fdumont@gcc.gnu.org>
4712
4713         * include/bits/stl_tree.h
4714         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): New.
4715         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, true_type)): New, use latter.
4716         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, false_type)): New.
4717         (_Rb_tree(_Rb_tree&&, _Node_allocator&&)): Adapt, use latters.
4718         * include/debug/map.h
4719         (map(map&&, const_allocator_type&)): Add noexcept qualitication.
4720         * include/debug/multimap.h
4721         (multimap(multimap&&, const_allocator_type&)): Likewise.
4722         * include/debug/set.h
4723         (set(set&&, const_allocator_type&)): Likewise.
4724         * include/debug/multiset.h
4725         (multiset(multiset&&, const_allocator_type&)): Likewise.
4726         * testsuite/23_containers/map/cons/noexcept_default_construct.cc:
4727         Add checks.
4728         * testsuite/23_containers/map/cons/noexcept_move_construct.cc:
4729         Add checks.
4730         * testsuite/23_containers/multimap/cons/noexcept_default_construct.cc:
4731         Add checks.
4732         * testsuite/23_containers/multimap/cons/noexcept_move_construct.cc:
4733         Add checks.
4734         * testsuite/23_containers/multiset/cons/noexcept_default_construct.cc:
4735         Add checks.
4736         * testsuite/23_containers/multiset/cons/noexcept_move_construct.cc:
4737         Add checks.
4738         * testsuite/23_containers/set/cons/noexcept_default_construct.cc:
4739         Add checks.
4740         * testsuite/23_containers/set/cons/noexcept_move_construct.cc:
4741         Add checks.
4742
4743 2018-05-18  Jason Merrill  <jason@redhat.com>
4744
4745         * include/bits/stl_deque.h (_Deque_iterator): Constrain constructor
4746         for conversion to const_iterator.  Add defaulted copy ops.
4747         * libsupc++/new (bad_alloc): Add defaulted copy ops.
4748         * libsupc++/exception.h (exception): Add defaulted copy ops.
4749         * include/std/system_error (system_error): Add defaulted copy ops.
4750         * include/std/stdexcept (domain_error, invalid_argument)
4751         (length_error, out_of_range, range_error, overflow_error)
4752         (underflow_error): Add defaulted copy ops.
4753         * include/bits/stl_iterator.h (reverse_iterator): Add defaulted
4754         copy assignment.
4755         * include/bits/allocator.h (allocator): Add defaulted copy assignment.
4756         * include/ext/throw_allocator.h (condition_base): Add defaulted
4757         default and copy ctor and copy assignment.
4758
4759 2018-05-18  Jonathan Wakely  <jwakely@redhat.com>
4760
4761         PR libstdc++/85098
4762         * include/bits/regex.h [__cplusplus < 201703L] (basic_regex::icase)
4763         (basic_regex::nosubs, basic_regex::optimize, basic_regex::collate)
4764         (basic_regex::ECMAScript, basic_regex::basic, basic_regex::extended)
4765         (basic_regex::awk, basic_regex::grep, basic_regex::egrep): Add
4766         definitions.
4767         * include/bits/regex_automaton.h (_NFA::_M_insert_state): Adjust
4768         whitespace.
4769         * include/bits/regex_compiler.tcc (__INSERT_REGEX_MATCHER): Add
4770         braces around body of do-while.
4771         * testsuite/28_regex/basic_regex/85098.cc: New
4772
4773 2018-05-17  Jonathan Wakely  <jwakely@redhat.com>
4774
4775         PR libstdc++/85818
4776         * src/filesystem/path.cc (path::preferred_separator): Add used
4777         attribute.
4778         * testsuite/experimental/filesystem/path/preferred_separator.cc: New.
4779
4780         PR libstdc++/85812
4781         * libsupc++/cxxabi_init_exception.h (__cxa_free_exception): Declare.
4782         * libsupc++/exception_ptr.h (make_exception_ptr) [__cpp_exceptions]:
4783         Refactor to separate non-throwing and throwing implementations.
4784         [__cpp_rtti && !_GLIBCXX_HAVE_CDTOR_CALLABI]: Deallocate the memory
4785         if constructing the object throws.
4786
4787 2018-05-15  Jonathan Wakely  <jwakely@redhat.com>
4788
4789         PR libstdc++/85749
4790         * include/bits/random.h (__detail::__is_seed_seq): New SFINAE helper.
4791         (linear_congruential_engine, mersenne_twister_engine)
4792         (subtract_with_carry_engine, discard_block_engine)
4793         (independent_bits_engine, shuffle_order_engine): Use __is_seed_seq to
4794         constrain function templates taking seed sequences.
4795         * include/bits/random.tcc (linear_congruential_engine::seed(_Sseq&))
4796         (mersenne_twister_engine::seed(_Sseq&))
4797         (subtract_with_carry_engine::seed(_Sseq&)): Change return types to
4798         match declarations.
4799         * include/ext/random (simd_fast_mersenne_twister_engine): Use
4800         __is_seed_seq to constrain function templates taking seed sequences.
4801         * include/ext/random.tcc (simd_fast_mersenne_twister_engine::seed):
4802         Change return type to match declaration.
4803         * testsuite/26_numerics/random/discard_block_engine/cons/seed_seq2.cc:
4804         New.
4805         * testsuite/26_numerics/random/independent_bits_engine/cons/
4806         seed_seq2.cc: New.
4807         * testsuite/26_numerics/random/linear_congruential_engine/cons/
4808         seed_seq2.cc: New.
4809         * testsuite/26_numerics/random/mersenne_twister_engine/cons/
4810         seed_seq2.cc: New.
4811         * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error lineno.
4812         * testsuite/26_numerics/random/shuffle_order_engine/cons/seed_seq2.cc:
4813         New.
4814         * testsuite/26_numerics/random/subtract_with_carry_engine/cons/
4815         seed_seq2.cc: New.
4816         * testsuite/ext/random/simd_fast_mersenne_twister_engine/cons/
4817         seed_seq2.cc: New.
4818
4819         PR libstdc++/83891
4820         * include/bits/fs_path.h (path::is_absolute()): Use same definition
4821         for all operating systems.
4822         * include/experimental/bits/fs_path.h (path::is_absolute()): Likewise.
4823         * testsuite/27_io/filesystem/path/query/is_absolute.cc: New.
4824         * testsuite/27_io/filesystem/path/query/is_relative.cc: Fix comment.
4825         * testsuite/experimental/filesystem/path/query/is_absolute.cc: New.
4826
4827         * testsuite/27_io/filesystem/path/decompose/extension.cc: Remove
4828         unused <vector> header.
4829         * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
4830         * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
4831         * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
4832         * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
4833         * testsuite/27_io/filesystem/path/query/has_relative_path.cc:
4834         Likewise.
4835         * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
4836         Likewise.
4837         * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
4838         * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
4839         * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
4840         * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
4841         * testsuite/experimental/filesystem/path/decompose/extension.cc:
4842         Likewise.
4843         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
4844         * testsuite/experimental/filesystem/path/query/has_extension.cc:
4845         Likewise.
4846         * testsuite/experimental/filesystem/path/query/has_filename.cc:
4847         Likewise.
4848         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
4849         Likewise.
4850         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
4851         Likewise.
4852         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
4853         Likewise.
4854         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
4855         Likewise.
4856         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
4857         Likewise.
4858         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
4859         * testsuite/experimental/filesystem/path/query/is_relative.cc:
4860         Likewise.
4861
4862         PR libstdc++/84159
4863         * include/bits/fs_path.h (path::operator/=, path::append): Construct
4864         temporary path before calling _M_append.
4865         (path::_M_append): Change parameter to path and implement C++17
4866         semantics.
4867         * testsuite/27_io/filesystem/path/append/path.cc: Add helper function
4868         and more examples from the standard.
4869         * testsuite/27_io/filesystem/path/append/source.cc: New.
4870         * testsuite/27_io/filesystem/path/decompose/filename.cc: Add comment.
4871         * testsuite/27_io/filesystem/path/nonmember/append.cc: New.
4872
4873         * include/std/variant (__gen_vtable_impl::__visit_invoke): Qualify
4874         __invoke to prevent ADL.
4875
4876 2018-05-14  Jonathan Wakely  <jwakely@redhat.com>
4877
4878         PR libstdc++/81256
4879         * include/bits/fstream.tcc (basic_filebuf::close): Do not swallow
4880         exceptions from _M_terminate_output().
4881         * include/std/fstream (basic_filebuf::~basic_filebuf): Swallow any
4882         exceptions from close().
4883         * testsuite/27_io/basic_filebuf/close/81256.cc: New.
4884
4885         * include/bits/valarray_array.h (__valarray_get_memory): Remove.
4886         (__valarray_get_storage): Call operator new directly. Remove ignored
4887         top-level restrict qualifier and add malloc attribute instead.
4888         (_Array<_Tp>::_Array(size_t)): Remove unused constructor.
4889
4890         PR libstdc++/67554
4891         * include/bits/valarray_array.h (_Array_copy_ctor<_Tp, true>)
4892         (_Array_copier<_Tp, true>): Do not pass null pointers to memcpy.
4893
4894         PR libstdc++/82966
4895         * include/bits/node_handle.h (_Node_handle_common::_M_swap): Use value
4896         instead of type.
4897         * testsuite/23_containers/set/modifiers/node_swap.cc: New.
4898
4899 2018-05-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
4900
4901         PR libstdc++/80165
4902         * testsuite/20_util/variant/80165.cc: New.
4903
4904 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
4905
4906         * doc/xml/faq.xml: Link to C++17 status. Add note to outdated answer.
4907         * doc/xml/manual/debug_mode.xml: Add array and forward_list to list
4908         of C++11 containers with Debug Mode support.
4909         * doc/xml/manual/using.xml: Document Dual ABI for ios_base::failure.
4910         * doc/html/*: Regenerate.
4911
4912 2018-05-10  Jason Merrill  <jason@redhat.com>
4913
4914         * include/bits/regex_compiler.h (_S_cache_size): Change from
4915         function to variable.
4916
4917 2018-05-10  Edward Smith-Rowland  <3dw4rd@verizon.net>
4918
4919         PR libstdc++/83140 - assoc_legendre returns negated value when m is odd
4920         * include/tr1/legendre_function.tcc (__assoc_legendre_p): Add __phase
4921         argument defaulted to +1.  Doxy comments on same.
4922         * testsuite/special_functions/02_assoc_legendre/
4923         check_value.cc: Regen.
4924         * testsuite/tr1/5_numerical_facilities/special_functions/
4925         02_assoc_legendre/check_value.cc: Regen.
4926
4927 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
4928
4929         PR libstdc++/85729
4930         * include/bits/c++config.h (__replacement_assert): Add linkage
4931         specification.
4932         * include/bits/std_abs.h: Add comment to closing brace of block.
4933         * include/c_global/cstddef: Add linkage specification.
4934         * include/c_global/cstring: Likewise.
4935         * include/c_global/cwchar: Likewise.
4936
4937 2018-05-09  François Dumont  <fdumont@gcc.gnu.org>
4938
4939         * include/debug/safe_iterator.h (_Safe_iterator<>::_M_constant()):
4940         Rename in...
4941         (_Safe_iterator<>::_S_constant()): ...that.
4942         * include/debug/safe_local_iterator.h
4943         (_Safe_local_iterator<>::_M_constant()): Rename in...
4944         (_Safe_local_iterator<>::_S_constant()): ...that.
4945         * include/debug/formatter.h: Remove bits/cpp_type_traits.h include.
4946         (_Iterator_state::__rbegin): New.
4947         (_Iterator_state::__rmiddle): New.
4948         (_Iterator_state::__rend): New.
4949         (_Parameter::_Parameter(const _Safe_iterator<>&, const char*,
4950         _Is_iterator)): Use _Safe_iterator<>::_S_constant. Grab normal underlying
4951         iterator type.
4952         (_Parameter::_Parameter(const _Safe_local_iterator<>&, const char*,
4953         _Is_iterator)): Likewise.
4954         (_Parameter::_S_reverse_state(_Iterator_state)): New.
4955         (_Parameter(__gnu_cxx::__normal_iterator<> const&, const char*,
4956         _Is_iterator)): New.
4957         (_Parameter(std::reverse_iterator<> const&, const char*,
4958         _Is_iterator)): New.
4959         (_Parameter(std::reverse_iterator<_Safe_iterator<>> const&,
4960         const char*, _Is_iterator)): New.
4961         (_Parameter(std::move_iterator<> const&, const char*, _Is_iterator):
4962         New.
4963         (_Parameter(std::move_iterator<_Safe_iterator<>> const&, const char*,
4964         _Is_iterator)): New.
4965         * testsuite/24_iterators/move_iterator/debug_neg.cc: New.
4966         * testsuite/24_iterators/normal_iterator/debug_neg.cc: New.
4967         * testsuite/24_iterators/reverse_iterator/debug_neg.cc: New.
4968
4969 2018-05-09  Jonathan Wakely  <jwakely@redhat.com>
4970
4971         * include/bits/std_function.h (_Base_manager::_M_get_pointer):
4972         Use constexpr if in C++17 mode.
4973         (_Base_manager::_M_clone(_Any_data&, const _Any_data&, true_type)):
4974         Copy from const object.
4975         * testsuite/20_util/function/cons/non_copyconstructible.cc: New.
4976
4977 2018-05-08  François Dumont  <fdumont@gcc.gnu.org>
4978
4979         * src/c++11/debug.cc [_GLIBCXX_HAVE_EXECINFO_H]: Include execinfo.h.
4980         [_GLIBCXX_HAVE_EXECINFO_H](_Error_formatter::_M_error): Render
4981         backtrace.
4982
4983         * include/debug/macros.h (__glibcxx_check_valid_range_at): New.
4984         * include/debug/functions.h (__check_valid_range): Use latter.
4985         * include/debug/macros.h (__glibcxx_check_valid_constructor_range): New,
4986         use latter.
4987         * include/debug/deque
4988         (deque::deque<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
4989         * include/debug/forward_list
4990         (forward_list::forward_list<_Iter>(_Iter, _Iter, const _Alloc&)):
4991         Likewise.
4992         * include/debug/list
4993         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
4994         * include/debug/list
4995         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
4996         * include/debug/map.h
4997         (map::map<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
4998         (map::map<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
4999         Likewise.
5000         * include/debug/multimap.h
5001         (multimap::multimap<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
5002         (multimap::multimap<_Iter>(_Iter, _Iter, const _Compare&,
5003         const _Alloc&)): Likewise.
5004         * include/debug/set.h
5005         (set::set<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
5006         (set::set<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
5007         Likewise.
5008         * include/debug/multiset.h
5009         (multiset::multiset<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
5010         (multiset::multiset<_Iter>(_Iter, _Iter, const _Compare&,
5011         const _Alloc&)): Likewise.
5012         * include/debug/string
5013         (basic_string::basic_string<_Iter>(_Iter, _Iter, const _Alloc&)):
5014         Likewise.
5015         * include/debug/unordered_map
5016         (unordered_map::unordered_map<_Iter>(_Iter, _Iter, const _Alloc&)):
5017         Likewise.
5018         (unordered_multimap::unordered_multimap<_Iter>(_Iter, _Iter,
5019         const _Alloc&)): Likewise.
5020         * include/debug/unordered_set
5021         (unordered_set::unordered_set<_Iter>(_Iter, _Iter, const _Alloc&)):
5022         Likewise.
5023         (unordered_multiset::unordered_multiset<_Iter>(_Iter, _Iter,
5024         const _Alloc&)): Likewise.
5025         * include/debug/vector
5026         (vector::vector<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
5027
5028         * include/debug/formatter.h (_Error_formatter::_M_function): New.
5029         (_Error_formatter(const char*, unsigned int)): Adapt.
5030         (_Error_formatter::_M_at): Rename in...
5031         (_Error_formatter::_S_at): ...that and adapt.
5032         * include/debug/macros.h (_GLIBCXX_DEBUG_VERIFY_AT_F): New.
5033         (_GLIBCXX_DEBUG_VERIFY_AT, _GLIBCXX_DEBUG_VERIFY): Adapt.
5034         * src/c++11/debug.cc (_Error_formatter::_M_error): Render _M_function
5035         when available.
5036
5037 2018-05-08  Jonathan Wakely  <jwakely@redhat.com>
5038
5039         * include/bits/regex_automaton.h (_NFA_base::_M_paren_stack, _NFA):
5040         Use normal std::vector even in Debug Mode.
5041
5042         PR libstdc++/85672
5043         * include/Makefile.am [!ENABLE_FLOAT128]: Change c++config.h entry
5044         to #undef _GLIBCXX_USE_FLOAT128 instead of defining it to zero.
5045         * include/Makefile.in: Regenerate.
5046         * include/bits/c++config (_GLIBCXX_USE_FLOAT128): Move definition
5047         within conditional block.
5048
5049 2018-05-07  Jonathan Wakely  <jwakely@redhat.com>
5050
5051         * doc/xml/manual/using.xml (table.cmd_options): Document that the
5052         C++17 Filesystem implementation also needs -lstdc++fs.
5053
5054         PR libstdc++/85671
5055         * include/bits/fs_path.h (operator/): Permit copy elision.
5056         * include/experimental/bits/fs_path.h (operator/): Likewise.
5057
5058 2018-05-07  Edward Smith-Rowland  <3dw4rd@verizon.net>
5059
5060         Moar PR libstdc++/80506
5061         * include/bits/random.tcc (gamma_distribution::__generate_impl()):
5062         Fix magic number used in loop condition.
5063
5064 2018-05-04  Jonathan Wakely  <jwakely@redhat.com>
5065
5066         PR libstdc++/85642 fix is_nothrow_default_constructible<optional<T>>
5067         * include/std/optional (_Optional_payload): Add noexcept to default
5068         constructor. Re-indent.
5069         (_Optional_payload<_Tp, true, true, true>): Likewise. Add noexcept to
5070         constructor for copying disengaged payloads.
5071         (_Optional_payload<_Tp, true, false, true>): Likewise.
5072         (_Optional_payload<_Tp, true, true, false>): Likewise.
5073         (_Optional_payload<_Tp, true, false, false>): Likewise.
5074         * testsuite/20_util/optional/cons/85642.cc: New.
5075         * testsuite/20_util/optional/cons/value_neg.cc: Adjust dg-error lines.
5076
5077 2018-05-03  Jonathan Wakely  <jwakely@redhat.com>
5078
5079         PR libstdc++/82644
5080         * include/tr1/cmath [__STRICT_ANSI__] (hypergf, hypergl, hyperg): Use
5081         inline definitions instead of using-declarations.
5082         [__STRICT_ANSI__] (conf_hypergf, conf_hypergl, conf_hyperg): Likewise.
5083         * testsuite/tr1/5_numerical_facilities/special_functions/
5084         07_conf_hyperg/compile_cxx17.cc: New.
5085         * testsuite/tr1/5_numerical_facilities/special_functions/
5086         17_hyperg/compile_cxx17.cc: New.
5087
5088         PR libstdc++/84769
5089         * include/std/variant (visit): Qualify std::get call.
5090
5091         PR libstdc++/85632 use uintmax_t for arithmetic
5092         * src/filesystem/ops.cc (experimental::filesystem::space): Perform
5093         arithmetic in result type.
5094         * src/filesystem/std-ops.cc (filesystem::space): Likewise.
5095         * testsuite/27_io/filesystem/operations/space.cc: Check total capacity
5096         is greater than free space.
5097         * testsuite/experimental/filesystem/operations/space.cc: New.
5098
5099         * testsuite/20_util/remove_cvref/requirements/alias_decl.cc: New.
5100         * testsuite/20_util/remove_cvref/requirements/explicit_instantiation.cc:
5101         New.
5102         * testsuite/20_util/remove_cvref/value.cc: New.
5103         * testsuite/20_util/remove_cvref/value_ext.cc: New.
5104
5105         PR libstdc++/84087 LWG DR 2268 basic_string default arguments
5106         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI=1]
5107         (append(const basic_string&, size_type, size_type)
5108         (assign(const basic_string&, size_type, size_type)
5109         (insert(size_type, const basic_string&, size_type, size_type)
5110         (replace(size_type,size_type,const basic_string&,size_type,size_type)
5111         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
5112         Add default arguments (LWG 2268).
5113         [_GLIBCXX_USE_CXX11_ABI=0]
5114         (append(const basic_string&, size_type, size_type)
5115         (assign(const basic_string&, size_type, size_type)
5116         (insert(size_type, const basic_string&, size_type, size_type)
5117         (replace(size_type,size_type,const basic_string&,size_type,size_type)
5118         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
5119         Likewise.
5120         * testsuite/21_strings/basic_string/dr2268.cc: New test.
5121
5122         PR libstdc++/84535
5123         * include/std/thread (thread::__not_same): New SFINAE helper.
5124         (thread::thread(_Callable&&, _Args&&...)): Add SFINAE constraint that
5125         first argument is not a std::thread. Add static assertion to check
5126         INVOKE expression is valid.
5127         (thread::thread(thread&), thread::thread(const thread&&)): Remove.
5128         (thread::_Invoke::_M_invoke, thread::_Invoke::operator()): Use
5129         __invoke_result for return types and remove exception specifications.
5130         * testsuite/30_threads/thread/cons/84535.cc: New.
5131
5132         * include/std/future (__async_result_of): Use __invoke_result instead
5133         of result_of.
5134
5135         * include/std/any (any_cast): Use __remove_cvref_t.
5136         * include/std/tuple (__make_tuple): Likewise.
5137         * include/std/type_traits (__remove_cvref_t): Define.
5138         (__result_of_memobj, __result_of_memfun): Use __remove_cvref_t.
5139         [__cplusplus > 201703L] (remove_cvref, remove_cvref_t): Define.
5140         * include/std/variant (__erased_hash): Use __remove_cvref_t.
5141
5142 2018-05-02  François Dumont  <fdumont@gcc.gnu.org>
5143
5144         * include/bits/deque.tcc (deque<>::_M_assign_aux): Cast to void to
5145         ensure overloaded comma not used.
5146         * include/bits/list.tcc (list<>::_M_assign_dispatch): Likewise.
5147         * include/bits/vector.tcc (vector<>::_M_assign_aux): Likewise.
5148         * include/bits/stl_bvector.h (vector<bool>::_M_assign_aux): Likewise.
5149         * testsuite/23_containers/deque/modifiers/assign/1.cc: New.
5150         * testsuite/23_containers/list/modifiers/assign/1.cc: New.
5151         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: New.
5152         * testsuite/23_containers/vector/modifiers/assign/1.cc: New.
5153
5154 2018-05-02  Jonathan Wakely  <jwakely@redhat.com>
5155
5156         PR libstdc++/68197
5157         * include/bits/ios_base.h (ios_base::iword, ios_base::pword): Cast
5158         indices to unsigned.
5159         * src/c++11/ios.cc (ios_base::_M_grow_words): Treat negative indices
5160         as failure. Refactor error handling.
5161         * testsuite/27_io/ios_base/storage/68197.cc: New.
5162
5163         PR libstdc++/57997
5164         PR libstdc++/83860
5165         * include/bits/gslice_array.h (gslice_array): Define default
5166         constructor as deleted, as per C++11 standard.
5167         * include/bits/mask_array.h (mask_array): Likewise.
5168         * include/bits/slice_array.h (slice_array): Likewise.
5169         * include/bits/valarray_after.h (_GBase, _GClos, _IBase, _IClos): Move
5170         to namespace __detail.
5171         (_GBase::_M_expr, _IBase::_M_expr): Use _ValArrayRef for type of data
5172         members.
5173         * include/bits/valarray_before.h (_ValArrayRef): New helper for type
5174         of data members in closure objects.
5175         (_FunBase, _ValFunClos, _RefFunClos, _UnBase, _UnClos, _BinBase)
5176         (_BinBase2, _BinBase1, _BinClos, _SBase, _SClos): Move to namespace
5177         __detail.
5178         (_FunBase::_M_expr, _UnBase::_M_expr, _BinBase::_M_expr1)
5179         (_BinBase::_M_expr2, _BinBase2::_M_expr1, _BinBase1::_M_expr2)
5180         (_SBase::_M_expr): Use _ValArrayRef for type of data members.
5181         * include/std/valarray (_UnClos, _BinClos, _SClos, _GClos, _IClos)
5182         (_ValFunClos, _RefFunClos): Move to namespace __detail and add
5183         using-declarations to namespace std.
5184         * testsuite/26_numerics/valarray/83860.cc: New.
5185
5186         * testsuite/backward/strstream_move.cc: Remove duplicate function
5187         call.
5188
5189         PR libstdc++/69608
5190         * include/backward/strstream (strstreambuf): Define move constructor
5191         and move assignment operator.
5192         (istrstream, ostrstream, strstream): Likewise.
5193         * testsuite/backward/strstream_move.cc: New.
5194
5195 2018-05-01  Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>
5196
5197         PR libstdc++/84654
5198         * acinclude.m4: Set ENABLE_FLOAT128 instead of _GLIBCXX_USE_FLOAT128.
5199         * config.h.in: Remove references to _GLIBCXX_USE_FLOAT128.
5200         * configure: Regenerate.
5201         * include/Makefile.am: Replace the value of _GLIBCXX_USE_FLOAT128
5202         based on ENABLE_FLOAT128.
5203         * include/Makefile.in: Regenerate.
5204         * include/bits/c++config: Define _GLIBCXX_USE_FLOAT128.
5205         [!defined(__FLOAT128__) && !defined(__SIZEOF_FLOAT128__)]: Undefine
5206         _GLIBCXX_USE_FLOAT128.
5207
5208 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
5209
5210         * configure: Regenerated.
5211
5212 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
5213
5214         * configure: Regenerated.
5215
5216 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
5217             Jakub Jelinek  <jakub@redhat.com>
5218
5219         PR libstdc++/85442
5220         * src/c++11/Makefile.am: Don't generate debuginfo again for
5221         cxx11-ios_failure-lt.s and cxx11-ios_failure.s files.
5222         * src/c++11/Makefile.in: Regenerate.
5223
5224 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
5225
5226         PR libstdc++/84442
5227         * testsuite/30_threads/thread/cons/terminate.cc
5228         [!_GLIBCXX_USE_C99_STDLIB] : Use _exit or std::exit instead of _Exit.
5229
5230 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
5231
5232         PR jit/85384
5233         * configure: Regenerate.
5234
5235 2018-04-16  Jonathan Wakely  <jwakely@redhat.com>
5236
5237         * testsuite/experimental/filesystem/file_status/1.cc: Add
5238         -DUSE_FILESYSTEM_TS to dg-options.
5239         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
5240         Likewise.
5241         * testsuite/experimental/filesystem/iterators/pop.cc: Likewise.
5242         * testsuite/experimental/filesystem/iterators/
5243         recursive_directory_iterator.cc: Likewise.
5244         * testsuite/experimental/filesystem/operations/absolute.cc: Likewise.
5245         * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
5246         * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
5247         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
5248         * testsuite/experimental/filesystem/operations/create_directories.cc:
5249         Likewise.
5250         * testsuite/experimental/filesystem/operations/create_directory.cc:
5251         Likewise.
5252         * testsuite/experimental/filesystem/operations/create_symlink.cc:
5253         Likewise.
5254         * testsuite/experimental/filesystem/operations/current_path.cc:
5255         Likewise.
5256         * testsuite/experimental/filesystem/operations/equivalent.cc: Likewise.
5257         * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
5258         * testsuite/experimental/filesystem/operations/file_size.cc: Likewise.
5259         * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
5260         * testsuite/experimental/filesystem/operations/last_write_time.cc:
5261         Likewise.
5262         * testsuite/experimental/filesystem/operations/permissions.cc:
5263         Likewise.
5264         * testsuite/experimental/filesystem/operations/read_symlink.cc:
5265         Likewise.
5266         * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
5267         * testsuite/experimental/filesystem/operations/remove_all.cc: Likewise.
5268         * testsuite/experimental/filesystem/operations/status.cc: Likewise.
5269         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
5270         Likewise.
5271         * testsuite/experimental/filesystem/path/append/path.cc: Likewise.
5272         * testsuite/experimental/filesystem/path/assign/assign.cc: Likewise.
5273         * testsuite/experimental/filesystem/path/assign/copy.cc: Likewise.
5274         * testsuite/experimental/filesystem/path/compare/compare.cc: Likewise.
5275         * testsuite/experimental/filesystem/path/compare/path.cc: Likewise.
5276         * testsuite/experimental/filesystem/path/compare/strings.cc: Likewise.
5277         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
5278         * testsuite/experimental/filesystem/path/concat/strings.cc: Likewise.
5279         * testsuite/experimental/filesystem/path/construct/copy.cc: Likewise.
5280         * testsuite/experimental/filesystem/path/construct/default.cc:
5281         Likewise.
5282         * testsuite/experimental/filesystem/path/construct/locale.cc: Likewise.
5283         * testsuite/experimental/filesystem/path/construct/range.cc: Likewise.
5284         * testsuite/experimental/filesystem/path/construct/string_view.cc:
5285         Likewise.
5286         * testsuite/experimental/filesystem/path/decompose/extension.cc:
5287         Likewise.
5288         * testsuite/experimental/filesystem/path/decompose/filename.cc:
5289         Likewise.
5290         * testsuite/experimental/filesystem/path/decompose/parent_path.cc:
5291         Likewise.
5292         * testsuite/experimental/filesystem/path/decompose/relative_path.cc:
5293         Likewise.
5294         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
5295         Likewise.
5296         * testsuite/experimental/filesystem/path/decompose/root_name.cc:
5297         Likewise.
5298         * testsuite/experimental/filesystem/path/decompose/root_path.cc:
5299         Likewise.
5300         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
5301         * testsuite/experimental/filesystem/path/generic/generic_string.cc:
5302         Likewise.
5303         * testsuite/experimental/filesystem/path/itr/traversal.cc: Likewise.
5304         * testsuite/experimental/filesystem/path/modifiers/clear.cc: Likewise.
5305         * testsuite/experimental/filesystem/path/modifiers/make_preferred.cc:
5306         Likewise.
5307         * testsuite/experimental/filesystem/path/modifiers/remove_filename.cc:
5308         Likewise.
5309         * testsuite/experimental/filesystem/path/modifiers/replace_extension.cc:
5310         Likewise.
5311         * testsuite/experimental/filesystem/path/modifiers/replace_filename.cc:
5312         Likewise.
5313         * testsuite/experimental/filesystem/path/modifiers/swap.cc: Likewise.
5314         * testsuite/experimental/filesystem/path/native/string.cc: Likewise.
5315         * testsuite/experimental/filesystem/path/nonmember/hash_value.cc:
5316         Likewise.
5317         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
5318         * testsuite/experimental/filesystem/path/query/has_extension.cc:
5319         Likewise.
5320         * testsuite/experimental/filesystem/path/query/has_filename.cc:
5321         Likewise.
5322         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
5323         Likewise.
5324         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
5325         Likewise.
5326         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
5327         Likewise.
5328         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
5329         Likewise.
5330         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
5331         Likewise.
5332         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
5333         * testsuite/experimental/filesystem/path/query/is_relative.cc:
5334         Likewise.
5335
5336 2018-04-13  Jonathan Wakely  <jwakely@redhat.com>
5337
5338         * src/c++11/Makefile.am: Fix sed command.
5339         * src/c++11/Makefile.in: Regenerate.
5340
5341         * src/c++11/Makefile.am: Rewrite sed rule to be less fragile and to
5342         handle mangled names starting with double underscores on darwin.
5343         * src/c++11/Makefile.in: Regenerate.
5344
5345 2018-04-12  Jonathan Wakely  <jwakely@redhat.com>
5346
5347         * src/c++11/Makefile.am: Fix comment.
5348         * src/c++11/Makefile.in: Regenerate.
5349         * src/c++11/cxx11-ios_failure.cc: Fix comment.
5350         * src/c++98/ios_failure.cc: Likewise.
5351
5352         * src/c++11/ios.cc: Remove redundant macro definition.
5353
5354 2018-04-11  Jonathan Wakely  <jwakely@redhat.com>
5355
5356         * doc/xml/manual/abi.xml: Document header locations in recent
5357         releases.
5358         * doc/xml/manual/evolution.xml: Add API changes since GCC 5.
5359         * doc/xml/manual/spine.xml: Update copyright years.
5360         * doc/xml/manual/strings.xml: Adjust tolower example to avoid
5361         undefined behaviour.
5362         * doc/xml/manual/test.xml: Update outdated notes on VERIFY in tests.
5363         * doc/html/*: Regenerate.
5364
5365 2018-04-10  Jonathan Wakely  <jwakely@redhat.com>
5366
5367         * doc/xml/faq.xml: Update links to archived copy of SGI STL docs.
5368         * doc/xml/manual/backwards_compatibility.xml: Likewise.
5369         * doc/xml/manual/containers.xml: Likewise.
5370         * doc/xml/manual/debug_mode.xml: Likewise.
5371         * doc/xml/manual/extensions.xml: Likewise.
5372         * doc/xml/manual/policy_data_structures_biblio.xml: Likewise.
5373         * doc/xml/manual/using.xml: Likewise.
5374         * doc/xml/manual/utilities.xml: Likewise.
5375
5376         PR libstdc++/85222
5377         * src/c++11/Makefile.am [ENABLE_DUAL_ABI]: Add special rules for
5378         cxx11-ios_failure.cc to rewrite type info for __ios_failure.
5379         * src/c++11/Makefile.in: Regenerate.
5380         * src/c++11/cxx11-ios_failure.cc (__ios_failure, __iosfail_type_info):
5381         New types.
5382         [_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
5383         * src/c++11/ios.cc (__throw_ios_failure): Remove definition.
5384         * src/c++98/ios_failure.cc (__construct_ios_failure)
5385         (__destroy_ios_failure, is_ios_failure_handler): New functions.
5386         [!_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
5387         * testsuite/27_io/ios_base/failure/dual_abi.cc: New.
5388         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Revert changes to
5389         handler types, to always catch std::ios_base::failure.
5390         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
5391         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
5392         exceptions_failbit.cc: Likewise.
5393         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
5394         exceptions_failbit.cc: Likewise.
5395         * testsuite/27_io/basic_istream/extractors_other/char/
5396         exceptions_null.cc: Likewise.
5397         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
5398         exceptions_null.cc: Likewise.
5399         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
5400         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
5401         * testsuite/27_io/basic_ostream/inserters_other/char/
5402         exceptions_null.cc: Likewise.
5403         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
5404         exceptions_null.cc: Likewise.
5405         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
5406
5407 2018-04-05  Jonathan Wakely  <jwakely@redhat.com>
5408
5409         * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Qualify
5410         __get calls to avoid ADL and avoid ambiguity due to Clang bug.
5411
5412 2018-04-03  Jonathan Wakely  <jwakely@redhat.com>
5413
5414         PR libstdc++/85183
5415         * include/std/variant (_Move_assign_base::operator=): Fix incorrect
5416         value categories.
5417         * testsuite/20_util/variant/85183.cc: New.
5418
5419 2018-03-26  Jonathan Wakely  <jwakely@redhat.com>
5420
5421         * include/std/variant (__get): Qualify calls to avoid ADL.
5422         (__select_index): Adjust whitespace.
5423         (variant): Add using-declaration to workaround Clang bug.
5424
5425 2018-03-22  Jonathan Wakely  <jwakely@redhat.com>
5426
5427         PR libstdc++/85040
5428         * include/bits/stl_function.h (greater::__not_overloaded)
5429         (less::__not_overloaded, greater_equal::__not_overloaded)
5430         (less_equal::__not_overloaded): Fix ambiguous specializations.
5431         * testsuite/20_util/function_objects/comparisons_pointer.cc: Add
5432         tests for type with overloaded operators.
5433
5434 2018-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5435
5436         PR libstdc++/77691
5437         * testsuite/experimental/memory_resource/resource_adaptor.cc:
5438         xfail execution on 32-bit Solaris/x86.
5439
5440 2018-03-21  Jonathan Wakely  <jwakely@redhat.com>
5441
5442         * testsuite/20_util/function_objects/comparisons_pointer.cc: Use
5443         VERIFY instead of assert.
5444         * testsuite/20_util/hash/84998.cc: New test.
5445         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: New
5446         copy of test adjusted for Debug Mode.
5447         * testsuite/23_containers/vector/cons/destructible_neg.cc: Do not run
5448         test in Debug Mode.
5449
5450 2018-03-20  François Dumont  <fdumont@gcc.gnu.org>
5451
5452         PR libstdc++/84998
5453         * include/bits/stl_bvector.h: Fix std::hash friend declaration.
5454         * include/std/bitset: Likewise.
5455         * include/bits/stl_map.h (std::map<>): Fix _Rb_tree_merge_helper friend
5456         declaration.
5457         * include/bits/stl_multimap.h (std::multimap<>): Likewise.
5458         * include/bits/stl_multiset.h (std::multiset<>): Likewise.
5459         * include/bits/stl_set.h (std::set<>): Likewise.
5460         * include/bits/unordered_map.h (std::unordered_map<>): Fix
5461         _Hash_merge_helper friend declaration.
5462         (std::unordered_multimap<>): Likewise.
5463         * include/bits/unordered_set.h (std::unordered_set<>): Likewise.
5464         (std::unordered_multiset<>): Likewise.
5465
5466 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
5467
5468         * doc/xml/api.xml: www.fsf.org has moved to https. Also omit
5469         trailing slash for domain level link.
5470         * doc/xml/faq.xml: Ditto.
5471         * doc/xml/manual/appendix_free.xml (software): Ditto.
5472         * doc/xml/manual/intro.xml: Ditto.
5473         * doc/xml/manual/spine.xml: Ditto.
5474         * doc/xml/spine.xml: Ditto.
5475
5476 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
5477
5478         * doc/xml/manual/documentation_hacking.xml: Adjust link to
5479         docbook.org.
5480
5481 2018-03-17  Jonathan Wakely  <jwakely@redhat.com>
5482
5483         * testsuite/20_util/function_objects/comparisons_pointer.cc: Adjust
5484         to compile as C++98.
5485
5486 2018-03-14  Jonathan Wakely  <jwakely@redhat.com>
5487
5488         PR libstdc++/78420
5489         * include/bits/stl_function.h (greater<_Tp*>, less<_Tp*>)
5490         (greater_equal<_Tp*>, less_equal<_Tp>*): Add partial specializations
5491         to ensure total order for pointers.
5492         (greater<void>, less<void>, greater_equal<void>, less_equal<void>):
5493         Add operator() overloads for pointer arguments and make generic
5494         overloads dispatch to new _S_cmp functions when comparisons would
5495         use built-in operators for pointers.
5496         * testsuite/20_util/function_objects/comparisons_pointer.cc: New.
5497
5498 2018-03-12  Jonathan Wakely  <jwakely@redhat.com>
5499
5500         PR libstdc++/84773
5501         PR libstdc++/83662
5502         * crossconfig.m4: Check for aligned_alloc etc. on freebsd and mingw32.
5503         * configure: Regenerate.
5504         * include/c_global/cstdlib [_GLIBCXX_HAVE_ALIGNED_ALLOC]
5505         (aligned_alloc): Add using-declaration.
5506         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: New test.
5507
5508 2018-03-09  François Dumont  <fdumont@gcc.gnu.org>
5509
5510         * python/libstdcxx/v6/printers.py (build_libstdcxx_dictionary):
5511         Fix std::_Fwd_list_iterator and std::_Fwd_list_const_iterator printers
5512         registration.
5513
5514 2018-03-09  Jonathan Wakely  <jwakely@redhat.com>
5515
5516         PR libstdc++/84769
5517         * include/std/variant (get<_Tp, _Types...>, get_if<_Tp, _Types...>):
5518         Qualify calls to get<_Np, Types...> and get_if<_Np, _Types...>.
5519
5520         src/filesystem/ops.cc (create_dir): Pass error_code to is_directory.
5521         src/filesystem/std-ops.cc (create_dir): Likewise.
5522
5523 2018-03-08  François Dumont  <fdumont@gcc.gnu.org>
5524
5525         * python/libstdcxx/v6/printers.py (NodeIteratorPrinter): New.
5526         (StdListIteratorPrinter): Inherit from latter.
5527         (StdFwdListIteratorPrinter): New, inherit from latter.
5528         (StdDebugIteratorPrinter.to_string): Use non-debug iterator printer
5529         when iterator has no associated container.
5530         (build_libstdcxx_dictionary): Add __gnu_cxx::_Fwd_list_iterator and
5531         __gnu_cxx::_Fwd_list_const_iterator printers. Remove __norm namespace
5532         registrations.
5533         * testsuite/libstdc++-prettyprinters/debug.cc: Adapt.
5534         * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Adapt.
5535
5536 2018-03-06  Ville Voutilainen  <ville.voutilainen@gmail.com>
5537
5538         PR libstdc++/84601
5539         * include/std/optional (_Optional_payload): Split into multiple
5540         specializations that can handle different cases of trivial or
5541         non-trivial assignment operators.
5542         * testsuite/20_util/optional/84601.cc: New.
5543         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
5544
5545 2018-03-02  Jonathan Wakely  <jwakely@redhat.com>
5546
5547         PR libstdc++/84671
5548         * include/bits/parse_numbers.h (_Number_help): Add partial
5549         specialization to handle digit separators. Adjust partial
5550         specialization for recursion temrination to require _Pow == 1ULL.
5551         * testsuite/20_util/duration/literals/84671.cc: New
5552
5553 2018-02-27  Ville Voutilainen  <ville.voutilainen@gmail.com>
5554
5555         Implement the missing bits of LWG 2769
5556         * include/std/any (any_cast(const any&)): Add static_assert.
5557         (any_cast(any&)): Likewise.
5558         (any_cast(any&&)): Likewise, and remove the handling
5559         for copyable-but-not-movable type.
5560         * testsuite/20_util/any/misc/any_cast.cc: Adjust.
5561         * testsuite/20_util/any/misc/any_cast_neg.cc: Likewise, and
5562         add new tests.
5563
5564 2018-02-23  Jonathan Wakely  <jwakely@redhat.com>
5565
5566         PR libstdc++/84532
5567         * include/std/thread (thread::__make_invoker): Construct tuple
5568         directly instead of using make_tuple.
5569         * testsuite/30_threads/async/84532.cc: New.
5570         * testsuite/30_threads/thread/84532.cc: New.
5571
5572 2018-02-20  François Dumont  <fdumont@gcc.gnu.org>
5573
5574         * include/ext/aligned_buffer.h [_GLIBCXX_INLINE_VERSION]
5575         (template<> __aligned_buffer): Define as __aligned_membuf alias.
5576
5577 2018-02-19  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
5578
5579         PR target/84148
5580         * configure: Regenerate.
5581
5582 2018-02-15  Jonathan Wakely  <jwakely@redhat.com>
5583
5584         PR libstdc++/81797
5585         * configure.ac (INCLUDE_DIR_NOTPARALLEL): Define.
5586         * configure: Regenerate.
5587         * include/Makefile.am (INCLUDE_DIR_NOTPARALLEL): Add .NOTPARALLEL when
5588         defined.
5589         * include/Makefile.in: Regenerate.
5590
5591 2018-01-29  Jonathan Wakely  <jwakely@redhat.com>
5592
5593         PR libstdc++/83833
5594         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
5595         Add -ffloat-store to options for m68k and ia32.
5596
5597         * doc/xml/faq.xml: Update copyright years.
5598         * doc/html/*: Regenerate.
5599
5600         PR libstdc++/83658
5601         * include/std/any (any::__do_emplace): Only set _M_manager after
5602         constructing the contained object.
5603         * testsuite/20_util/any/misc/any_cast_neg.cc: Adjust dg-error line.
5604         * testsuite/20_util/any/modifiers/83658.cc: New test.
5605
5606 2018-01-25  Jonathan Wakely  <jwakely@redhat.com>
5607
5608         PR libstdc++/81076
5609         * include/c_global/cstddef (__byte_operand): Define primary template.
5610         * testsuite/18_support/byte/81076.cc: New test.
5611
5612 2018-01-19  Christophe Lyon  <christophe.lyon@linaro.org>
5613
5614         * testsuite/ext/special_functions/airy_ai/check_nan.cc: Fix
5615         dg-options and dg-add-options order.
5616         * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
5617         * testsuite/ext/special_functions/conf_hyperg/check_nan.cc:
5618         Likewise.
5619         * testsuite/ext/special_functions/hyperg/check_nan.cc: Likewise.
5620         * testsuite/special_functions/01_assoc_laguerre/check_nan.cc:
5621         Likewise.
5622         * testsuite/special_functions/02_assoc_legendre/check_nan.cc:
5623         Likewise.
5624         * testsuite/special_functions/03_beta/check_nan.cc: Likewise.
5625         * testsuite/special_functions/04_comp_ellint_1/check_nan.cc:
5626         Likewise.
5627         * testsuite/special_functions/05_comp_ellint_2/check_nan.cc:
5628         Likewise.
5629         * testsuite/special_functions/06_comp_ellint_3/check_nan.cc:
5630         Likewise.
5631         * testsuite/special_functions/06_comp_ellint_3/pr66689.cc:
5632         Likewise.
5633         * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc:
5634         Likewise.
5635         * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc:
5636         Likewise.
5637         * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc:
5638         Likewise.
5639         * testsuite/special_functions/10_cyl_neumann/check_nan.cc:
5640         Likewise.
5641         * testsuite/special_functions/11_ellint_1/check_nan.cc: Likewise.
5642         * testsuite/special_functions/12_ellint_2/check_nan.cc: Likewise.
5643         * testsuite/special_functions/13_ellint_3/check_nan.cc: Likewise.
5644         * testsuite/special_functions/13_ellint_3/pr66689.cc: Likewise.
5645         * testsuite/special_functions/14_expint/check_nan.cc: Likewise.
5646         * testsuite/special_functions/15_hermite/check_nan.cc: Likewise.
5647         * testsuite/special_functions/16_laguerre/check_nan.cc: Likewise.
5648         * testsuite/special_functions/17_legendre/check_nan.cc: Likewise.
5649         * testsuite/special_functions/18_riemann_zeta/check_nan.cc:
5650         Likewise.
5651         * testsuite/special_functions/19_sph_bessel/check_nan.cc:
5652         Likewise.
5653         * testsuite/special_functions/20_sph_legendre/check_nan.cc:
5654         Likewise.
5655         * testsuite/special_functions/21_sph_neumann/check_nan.cc:
5656         Likewise.
5657
5658 2018-01-18  Uros Bizjak  <ubizjak@gmail.com>
5659
5660         * configure.ac (AC_CHECK_HEADERS): Add linux/types.h.  Conditionally
5661         include linux/types.h when checking linux/random.h header.
5662         * config.h.in: Regenerate.
5663         * configure: Ditto.
5664         * src/c++11/random.cc: Conditionally include linux/types.h.
5665
5666 2018-01-16  Eric Botcazou  <ebotcazou@adacore.com>
5667
5668         * testsuite/17_intro/names.cc: Undefine 'y' on SPARC/Linux.
5669
5670 2018-01-16  Jonathan Wakely  <jwakely@redhat.com>
5671
5672         PR libstdc++/83834
5673         * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace std::c[a-g]* wildcard
5674         pattern with exact match for std::cerr.
5675
5676 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
5677
5678         PR libstdc++/83833
5679         * include/bits/random.h (chi_squared_distribution::param): Update
5680         gamma distribution parameter.
5681         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc: New
5682         test.
5683
5684         PR libstdc++/83830
5685         * include/std/type_traits (has_unique_object_representations_v): Add
5686         variable template.
5687         * testsuite/20_util/has_unique_object_representations/value.cc: Check
5688         variable template.
5689
5690 2018-01-15  Ville Voutilainen  <ville.voutilainen@gmail.com>
5691
5692         Make optional conditionally
5693         trivially_{copy,move}_{constructible,assignable}
5694         * include/std/optional (_Optional_payload): Fix the comment in
5695         the class head and turn into a primary and one specialization.
5696         (_Optional_payload::_M_engaged): Strike the NSDMI.
5697         (_Optional_payload<_Tp, false>::operator=(const _Optional_payload&)):
5698         New.
5699         (_Optional_payload<_Tp, false>::operator=(_Optional_payload&&)):
5700         Likewise.
5701         (_Optional_payload<_Tp, false>::_M_get): Likewise.
5702         (_Optional_payload<_Tp, false>::_M_reset): Likewise.
5703         (_Optional_base_impl): Likewise.
5704         (_Optional_base): Turn into a primary and three specializations.
5705         (optional(nullopt)): Change the base init.
5706         * testsuite/20_util/optional/assignment/8.cc: New.
5707         * testsuite/20_util/optional/cons/trivial.cc: Likewise.
5708         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
5709
5710 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
5711
5712         PR libstdc++/80276
5713         * python/libstdcxx/v6/printers.py (strip_inline_namespaces): New.
5714         (get_template_arg_list): New.
5715         (StdVariantPrinter._template_args): Remove, use get_template_arg_list
5716         instead.
5717         (TemplateTypePrinter): Rewrite to work with gdb.Type objects instead
5718         of strings and regular expressions.
5719         (add_one_template_type_printer): Adapt to new TemplateTypePrinter.
5720         (FilteringTypePrinter): Add docstring. Match using startswith. Use
5721         strip_inline_namespaces instead of strip_versioned_namespace.
5722         (add_one_type_printer): Prepend namespace to match argument.
5723         (register_type_printers): Add type printers for char16_t and char32_t
5724         string types and for types using cxx11 ABI. Update calls to
5725         add_one_template_type_printer to provide default argument dicts.
5726         * testsuite/libstdc++-prettyprinters/80276.cc: New test.
5727         * testsuite/libstdc++-prettyprinters/whatis.cc: Remove tests for
5728         basic_string<unsigned char> and basic_string<signed char>.
5729         * testsuite/libstdc++-prettyprinters/whatis2.cc: Duplicate whatis.cc
5730         to test local variables, without overriding _GLIBCXX_USE_CXX11_ABI.
5731
5732 2018-01-14  Andreas Schwab  <schwab@linux-m68k.org>
5733
5734         PR libstdc++/81092
5735         * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
5736
5737 2018-01-13  Tim Shen  <timshen@google.com>
5738
5739         PR libstdc++/83601
5740         * include/bits/regex.tcc (regex_replace): Fix escaping in sed.
5741         * testsuite/28_regex/algorithms/regex_replace/char/pr83601.cc: Tests.
5742         * testsuite/28_regex/algorithms/regex_replace/wchar_t/pr83601.cc: Tests.
5743
5744 2018-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5745
5746         PR libstdc++/64054
5747         * testsuite/27_io/basic_ostream/inserters_arithmetic/char/hexfloat.cc:
5748         Remove dg-xfail-run-if.
5749
5750 2018-01-10  François Dumont  <fdumont@gcc.gnu.org>
5751
5752         * include/bits/forward_list.h
5753         (_Fwd_list_node_base(_Fwd_list_node_base&&)): New.
5754         (_Fwd_list_node_base& operator=(_Fwd_list_node_base&&)): New.
5755         (_Fwd_list_node_base(const _Fwd_list_node_base&)): Explicit delete.
5756         (_Fwd_list_node_base& operator=(const _Fwd_list_node_base&)): Likewise.
5757         (_Fwd_list_impl()): Add noexcept qualification.
5758         (_Fwd_list_impl(const _Node_alloc_type&)): Delete.
5759         (_Fwd_list_impl(_Fwd_list_impl&&)): New, default.
5760         (_Fwd_list_impl(_Fwd_list_impl&&, _Node_alloc_type&&)): New.
5761         (_Fwd_list_base()): Default.
5762         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&, true_type)): New.
5763         (_Fwd_list_base(_Fwd_list_base&&)): Default.
5764         (forward_list<>()): Default.
5765         (forward_list<>(forward_list&&)): Default.
5766         (forward_list(forward_list&&, _Node_alloc_type&&, false_type)): New.
5767         (forward_list(forward_list&&, _Node_alloc_type&&, true_type)): New.
5768         (forward_list(forward_list&&, const _Alloc&)): Adapt to use latters.
5769         * include/bits/forward_list.tcc
5770         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&)): Adapt to use
5771         _M_impl._M_head move assignment.
5772         (forward_list<>::merge(forward_list<>&&, _Comp)): Likewise.
5773         * testsuite/23_containers/forward_list/allocator/default_init.cc: New.
5774
5775 2018-01-09  Jonathan Wakely  <jwakely@redhat.com>
5776
5777         PR libstdc++/80276
5778         * python/libstdcxx/v6/printers.py (SharedPointerPrinter)
5779         (UniquePointerPrinter): Print correct template argument, not type of
5780         the pointer.
5781         (TemplateTypePrinter._recognizer.recognize): Handle failure to lookup
5782         a type.
5783         * testsuite/libstdc++-prettyprinters/cxx11.cc: Test unique_ptr of
5784         array type.
5785         * testsuite/libstdc++-prettyprinters/cxx17.cc: Test shared_ptr and
5786         weak_ptr of array types.
5787
5788 2018-01-09  François Dumont  <fdumont@gcc.gnu.org>
5789
5790         PR libstdc++/83709
5791         * include/bits/hashtable_policy.h
5792         (__distance_fwd(_Iterator, _Iterator, input_iterator_tag)): Return 1 if
5793         __first != __last.
5794         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, true_type)): New.
5795         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, false_type)):
5796         Add false_type parameter.
5797         (_Insert_base::insert): Adapt.
5798         * include/bits/hashtable.h (_Hashtable::operator=(initializzr_list<>)):
5799         Adapt.
5800         (_Hashtable::_M_insert(_Arg&&, const _NodeGen&, true_type, size_t)):
5801          Add __n_elt parameter, defaulted to 1.
5802         (_Hashtable::_M_insert_unique_node): Likewise. Use it to call rehash
5803         policy _M_need_rehash.
5804         (_Hashtable::_M_merge_unique): Pass target number of elements to add to
5805         produce only 1 rehash if necessary.
5806         * testsuite/23_containers/unordered_map/insert/83709.cc: New.
5807         * testsuite/23_containers/unordered_set/insert/83709.cc: New.
5808
5809 2018-01-09  Juraj Oršulić  <juraj.orsulic@fer.hr>
5810             Jonathan Wakely  <jwakely@redhat.com>
5811
5812         PR libstdc++/59253 (partial)
5813         * python/libstdcxx/v6/printers.py (SmartPtrIterator): Common iterator
5814         type for pointer stored by shared_ptr, weak_ptr and unique_ptr.
5815         (SharedPointerPrinter, UniquePointerPrinter): Treat stored values as
5816         children.
5817         * testsuite/libstdc++-prettyprinters/cxx11.cc: Update expected output
5818         of unique_ptr printer.
5819         * testsuite/libstdc++-prettyprinters/shared_ptr.cc: Update expected
5820         output of shared_ptr printer.
5821
5822 2018-01-05  Jonathan Wakely  <jwakely@redhat.com>
5823
5824         PR libstdc++/83626
5825         * src/filesystem/ops.cc (remove(const path&, error_code&)): Remove
5826         unnecessary symlink_status call.
5827         (remove_all(const path&, error_code&)): Use filesystem::remove.
5828         * src/filesystem/std-ops.cc: Likewise.
5829
5830         PR libstdc++/83279
5831         * src/filesystem/std-ops.cc  (do_copy_file): Use non-null offset with
5832         sendfile.
5833
5834         PR libstdc++/83626
5835         * src/filesystem/ops.cc (remove(const path&, error_code&)): Do not
5836         report an error for ENOENT.
5837         (remove_all(const path&)): Fix type of result variable.
5838         (remove_all(const path&, error_code&)): Use non-throwing increment
5839         for directory iterator. Call POSIX remove directly to avoid redundant
5840         calls to symlink_status. Do not report errors for ENOENT.
5841         * src/filesystem/std-ops.cc: Likewise.
5842         * testsuite/27_io/filesystem/operations/remove_all.cc: Test throwing
5843         overload.
5844         * testsuite/experimental/filesystem/operations/remove_all.cc:
5845         Likewise.
5846
5847 2018-01-04  Jonathan Wakely  <jwakely@redhat.com>
5848
5849         PR libstdc++/83626
5850         * src/filesystem/ops.cc (remove(const path&, error_code&))): Remove
5851         redundant call to ec.clear().
5852         (remove_all(const path&, error_code&))): Do not return an error for
5853         non-existent paths.
5854         * src/filesystem/std-ops.cc: Likewise.
5855         * testsuite/27_io/filesystem/operations/remove.cc: New test.
5856         * testsuite/27_io/filesystem/operations/remove_all.cc: Fix expected
5857         results for non-existent paths.
5858         * testsuite/experimental/filesystem/operations/remove.cc: New test.
5859         * testsuite/experimental/filesystem/operations/remove_all.cc: Fix
5860         expected results for non-existent paths.
5861
5862         * include/bits/fs_ops.h (exists(const path&, error_code&))): Only
5863         check status_known once.
5864         * include/experimental/bits/fs_ops.h: Likewise.
5865
5866         PR libstdc++/83607
5867         * include/std/functional (__is_byte_like): New trait.
5868         (__is_std_equal_to): Remove.
5869         (__boyer_moore_base_t): Use __is_byte_like instead of
5870         __is_std_equal_to.
5871         * include/experimental/functional (__is_std_equal_to): Remove.
5872         (__boyer_moore_base_t): Use __is_byte_like instead of
5873         __is_std_equal_to.
5874         * testsuite/20_util/function_objects/83607.cc: New test.
5875
5876 2018-01-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
5877
5878         Protect optional's deduction guide with the feature macro
5879         * include/std/optional: Use the feature macro.
5880
5881 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
5882
5883         Update copyright years.
5884 \f
5885 Copyright (C) 2018 Free Software Foundation, Inc.
5886
5887 Copying and distribution of this file, with or without modification,
5888 are permitted in any medium without royalty provided the copyright
5889 notice and this notice are preserved.