[es2015] Remove the @@hasInstance protector cell.

src/heap/heap.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/heap/heap.h"
 
 #include "src/accessors.h"
 #include "src/api.h"
 #include "src/ast/context-slot-cache.h"
 #include "src/base/bits.h"
@@ skipping 2791 matching lines @@
   Handle<PropertyCell> cell = factory->NewPropertyCell();
   cell->set_value(Smi::FromInt(Isolate::kProtectorValid));
   set_array_protector(*cell);
 
   cell = factory->NewPropertyCell();
   cell->set_value(the_hole_value());
   set_empty_property_cell(*cell);
 
   cell = factory->NewPropertyCell();
   cell->set_value(Smi::FromInt(Isolate::kProtectorValid));
-  set_has_instance_protector(*cell);
-
-  cell = factory->NewPropertyCell();
-  cell->set_value(Smi::FromInt(Isolate::kProtectorValid));
   set_array_iterator_protector(*cell);
 
   Handle<Cell> is_concat_spreadable_cell = factory->NewCell(
       handle(Smi::FromInt(Isolate::kProtectorValid), isolate()));
   set_is_concat_spreadable_protector(*is_concat_spreadable_cell);
 
   Handle<Cell> species_cell = factory->NewCell(
       handle(Smi::FromInt(Isolate::kProtectorValid), isolate()));
   set_species_protector(*species_cell);
 
@@ skipping 3715 matching lines @@
 }
 
 
 // static
 int Heap::GetStaticVisitorIdForMap(Map* map) {
   return StaticVisitorBase::GetVisitorId(map);
 }
 
 }  // namespace internal
 }  // namespace v8