Revert of [crankshaft] Protect against deopt loops from string length overflows.

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 2893 matching lines @@
   set_has_instance_protector(*cell);
 
   Handle<Cell> is_concat_spreadable_cell = factory->NewCell(
       handle(Smi::FromInt(Isolate::kArrayProtectorValid), isolate()));
   set_is_concat_spreadable_protector(*is_concat_spreadable_cell);
 
   Handle<Cell> species_cell = factory->NewCell(
       handle(Smi::FromInt(Isolate::kArrayProtectorValid), isolate()));
   set_species_protector(*species_cell);
 
-  cell = factory->NewPropertyCell();
-  cell->set_value(Smi::FromInt(Isolate::kArrayProtectorValid));
-  set_string_length_protector(*cell);
-
   set_serialized_templates(empty_fixed_array());
 
   set_weak_stack_trace_list(Smi::FromInt(0));
 
   set_noscript_shared_function_infos(Smi::FromInt(0));
 
   // Initialize keyed lookup cache.
   isolate_->keyed_lookup_cache()->Clear();
 
   // Initialize context slot cache.
@@ skipping 3610 matching lines @@
 }
 
 
 // static
 int Heap::GetStaticVisitorIdForMap(Map* map) {
   return StaticVisitorBase::GetVisitorId(map);
 }
 
 }  // namespace internal
 }  // namespace v8