diff -r 5c30fa1c8c5b -r dd4dabfead82 rt/vm/src/main/java/org/apidesign/vm4brwsr/VM.java
--- a/rt/vm/src/main/java/org/apidesign/vm4brwsr/VM.java	Thu Mar 12 10:32:13 2015 +0100
+++ b/rt/vm/src/main/java/org/apidesign/vm4brwsr/VM.java	Fri Sep 11 14:51:09 2015 +0200
@@ -425,11 +425,11 @@
     }
 
     @Override
-    protected Flow checkFlow(MethodData byteCodes) {
+    protected Flow checkFlow(MethodData byteCodes) throws IOException {
         if (flow == null) {
             return null;
         }
-        Flow f = new Flow(byteCodes);
+        Flow f = new Flow(byteCodes, this);
         return flow.analyze(f) ? f : null;
     }