Setting the same QObject on multiple QmlContext's will only be visible to the first context

--- a/src/declarative/qml/qmlobjectscriptclass.cpp
+++ b/src/declarative/qml/qmlobjectscriptclass.cpp
@@ -146,7 +146,7 @@ QmlObjectScriptClass::queryProperty(QObject *obj, const Identifier &name,
     QmlEnginePrivate *enginePrivate = QmlEnginePrivate::get(engine);
 
     QmlPropertyCache *cache = 0;
-    QmlDeclarativeData *ddata = QmlDeclarativeData::get(obj);
+    QmlDeclarativeData *ddata = 0;
     if (ddata)
         cache = ddata->propertyCache;
     if (!cache) {