CExtNodes.ObSizeNode fix isFallback guard

Author: cosminbasca

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/cext/CExtNodes.java

@@ -3281,7 +3281,7 @@ static long doOther(Object object,
         }
 
         static boolean isFallback(Object object) {
-            return !(object instanceof PInt);
+            return !(object instanceof PInt || object instanceof Integer || object instanceof  Long);
         }
     }