Do not eagerly instantiate accessors' JSFunction.

src/runtime/runtime-object.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/runtime/runtime-utils.h"
 
 #include "src/arguments.h"
 #include "src/bootstrapper.h"
 #include "src/debug/debug.h"
 #include "src/isolate-inl.h"
@@ skipping 212 matching lines @@
   elms->set(ENUMERABLE_INDEX, heap->ToBoolean((attrs & DONT_ENUM) == 0));
   elms->set(CONFIGURABLE_INDEX, heap->ToBoolean((attrs & DONT_DELETE) == 0));
 
   bool is_accessor_pair = it.state() == LookupIterator::ACCESSOR &&
                           it.GetAccessors()->IsAccessorPair();
   elms->set(IS_ACCESSOR_INDEX, heap->ToBoolean(is_accessor_pair));
 
   if (is_accessor_pair) {
     Handle<AccessorPair> accessors =
         Handle<AccessorPair>::cast(it.GetAccessors());
-    Handle<Object> getter(accessors->GetComponent(ACCESSOR_GETTER), isolate);
-    Handle<Object> setter(accessors->GetComponent(ACCESSOR_SETTER), isolate);
+    Handle<Object> getter =
+        AccessorPair::GetComponent(accessors, ACCESSOR_GETTER);
+    Handle<Object> setter =
+        AccessorPair::GetComponent(accessors, ACCESSOR_SETTER);
     elms->set(GETTER_INDEX, *getter);
     elms->set(SETTER_INDEX, *setter);
   } else {
     Handle<Object> value;
     ASSIGN_RETURN_ON_EXCEPTION(isolate, value, Object::GetProperty(&it),
                                Object);
     elms->set(WRITABLE_INDEX, heap->ToBoolean((attrs & READ_ONLY) == 0));
     elms->set(VALUE_INDEX, *value);
   }
 
@@ skipping 1056 matching lines @@
   DCHECK(args.length() == 2);
   CONVERT_ARG_HANDLE_CHECKED(Object, o, 0);
   CONVERT_ARG_HANDLE_CHECKED(Object, properties, 1);
   ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
       isolate, o, JSReceiver::DefineProperties(isolate, o, properties));
   return *o;
 }
 
 }  // namespace internal
 }  // namespace v8