[runtime][ic] Constant field tracking support.

src/ic/ic.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/ic/ic.h"
 
 #include <iostream>
 
 #include "src/accessors.h"
 #include "src/api-arguments-inl.h"
@@ skipping 2033 matching lines @@
         DCHECK(holder.is_identical_to(receiver));
         return isolate()->builtins()->StoreIC_Normal();
       }
 
       // -------------- Fields --------------
       if (lookup->property_details().location() == kField) {
         TRACE_HANDLER_STATS(isolate(), StoreIC_StoreFieldDH);
         int descriptor = lookup->GetFieldDescriptorIndex();
         FieldIndex index = lookup->GetFieldIndex();
         return StoreHandler::StoreField(isolate(), descriptor, index,
+                                        lookup->constness(),
                                         lookup->representation());
       }
 
       // -------------- Constant properties --------------
       DCHECK_EQ(kDescriptor, lookup->property_details().location());
       TRACE_GENERIC_IC(isolate(), "StoreIC", "constant property");
       TRACE_HANDLER_STATS(isolate(), StoreIC_SlowStub);
       return slow_stub();
     }
 
@@ skipping 1091 matching lines @@
     DCHECK_EQ(LookupIterator::INTERCEPTOR, it.state());
     it.Next();
     ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, result,
                                        Object::GetProperty(&it));
   }
 
   return *result;
 }
 }  // namespace internal
 }  // namespace v8