diff -r 0eec1b51c13c -r 787578f33c21 rt/vmtest/src/test/java/org/apidesign/bck2brwsr/tck/ReflectionTest.java
--- a/rt/vmtest/src/test/java/org/apidesign/bck2brwsr/tck/ReflectionTest.java	Sun Apr 07 15:24:45 2013 +0200
+++ b/rt/vmtest/src/test/java/org/apidesign/bck2brwsr/tck/ReflectionTest.java	Wed Apr 10 10:08:18 2013 +0200
@@ -103,6 +103,15 @@
         StaticUse.class.getMethod("instanceMethod").invoke(null);
         return "should not happen";
     }
+    
+    @Compare public String classCastException() {
+        try {
+            Integer i = (Integer)StaticUseSub.getNonNull();
+            return "" + i.intValue();
+        } catch (ClassCastException ex) {
+            return ex.getClass().getName();
+        }
+    }
 
     @Compare public String methodThatThrowsException() throws Exception {
         StaticUse.class.getMethod("instanceMethod").invoke(new StaticUse());