Tighten OpenHandle's extra checks.

src/runtime.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 6016 matching lines @@
 
 
 // Return property names from named interceptor.
 // args[0]: object
 RUNTIME_FUNCTION(Runtime_GetNamedInterceptorPropertyNames) {
   HandleScope scope(isolate);
   ASSERT(args.length() == 1);
   CONVERT_ARG_HANDLE_CHECKED(JSObject, obj, 0);
 
   if (obj->HasNamedInterceptor()) {
-    Handle<JSArray> result;
+    Handle<JSObject> result;
     if (JSObject::GetKeysForNamedInterceptor(obj, obj).ToHandle(&result)) {
       return *result;
     }
   }
   return isolate->heap()->undefined_value();
 }
 
 
 // Return element names from indexed interceptor.
 // args[0]: object
 RUNTIME_FUNCTION(Runtime_GetIndexedInterceptorElementNames) {
   HandleScope scope(isolate);
   ASSERT(args.length() == 1);
   CONVERT_ARG_HANDLE_CHECKED(JSObject, obj, 0);
 
   if (obj->HasIndexedInterceptor()) {
-    Handle<JSArray> result;
+    Handle<JSObject> result;
     if (JSObject::GetKeysForIndexedInterceptor(obj, obj).ToHandle(&result)) {
       return *result;
     }
   }
   return isolate->heap()->undefined_value();
 }
 
 
 RUNTIME_FUNCTION(Runtime_LocalKeys) {
   HandleScope scope(isolate);
@@ skipping 9091 matching lines @@
   }
   return NULL;
 }
 
 
 const Runtime::Function* Runtime::FunctionForId(Runtime::FunctionId id) {
   return &(kIntrinsicFunctions[static_cast<int>(id)]);
 }
 
 } }  // namespace v8::internal