libstdc++-v3/ChangeLog

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