Load getter from map descriptor instead of embedding it in handler.

src/lookup.cc

 // Copyright 2014 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/v8.h"
 
 #include "src/bootstrapper.h"
 #include "src/deoptimizer.h"
 #include "src/lookup.h"
 #include "src/lookup-inl.h"
@@ skipping 220 matching lines @@
     FieldIndex field_index = FieldIndex::ForDescriptor(*holder_map_, number_);
     return JSObject::FastPropertyAt(holder, property_details_.representation(),
                                     field_index);
   } else {
     result = holder_map_->instance_descriptors()->GetValue(number_);
   }
   return handle(result, isolate_);
 }
 
 
+int LookupIterator::GetAccessorIndex() const {
+  DCHECK(has_property_);
+  DCHECK(!holder_map_->is_dictionary_map());
+  DCHECK_EQ(v8::internal::ACCESSOR_CONSTANT, property_details_.type());
+  return descriptor_number();
+}
+
+
 int LookupIterator::GetConstantIndex() const {
   DCHECK(has_property_);
   DCHECK(!holder_map_->is_dictionary_map());
   DCHECK_EQ(v8::internal::DATA_CONSTANT, property_details_.type());
   return descriptor_number();
 }
 
 
 FieldIndex LookupIterator::GetFieldIndex() const {
   DCHECK(has_property_);
@@ skipping 78 matching lines @@
   }
   return false;
 }
 
 
 void LookupIterator::InternalizeName() {
   if (name_->IsUniqueName()) return;
   name_ = factory()->InternalizeString(Handle<String>::cast(name_));
 }
 } }  // namespace v8::internal