Representation of interceptor / handler properties are tagged.

src/property.h

Index: src/property.h
diff --git a/src/property.h b/src/property.h
index 19425ed28181d80c1f8b662919fccee776fbf9b6..094590ec7c0514fd42f8c389e726cfd23ccf810e 100644
--- a/src/property.h
+++ b/src/property.h
@@ -225,14 +225,14 @@ class LookupResult BASE_EMBEDDED {
   void HandlerResult(JSProxy* proxy) {
     lookup_type_ = HANDLER_TYPE;
     holder_ = proxy;
-    details_ = PropertyDetails(NONE, HANDLER, Representation::None());
+    details_ = PropertyDetails(NONE, HANDLER, Representation::Tagged());
     cacheable_ = false;
   }
 
   void InterceptorResult(JSObject* holder) {
     lookup_type_ = INTERCEPTOR_TYPE;
     holder_ = holder;
-    details_ = PropertyDetails(NONE, INTERCEPTOR, Representation::None());
+    details_ = PropertyDetails(NONE, INTERCEPTOR, Representation::Tagged());
   }
 
   void NotFound() {