diff -r f5200d90b730 -r 86e61729f754 rt/emul/mini/src/main/java/java/lang/Class.java
--- a/rt/emul/mini/src/main/java/java/lang/Class.java	Thu Oct 30 01:50:21 2014 +0100
+++ b/rt/emul/mini/src/main/java/java/lang/Class.java	Sun Nov 23 21:55:46 2014 +0100
@@ -1547,6 +1547,7 @@
      *
      * @return an array of interfaces implemented by this class.
      */
+    @JavaScriptBody(args = {  }, body = "return this.interfaces();")
     public native Class<?>[] getInterfaces();
     
     /**