diff -r 32de22658040 -r 151f4ccd7673 rt/vm/src/main/java/org/apidesign/vm4brwsr/VM.java
--- a/rt/vm/src/main/java/org/apidesign/vm4brwsr/VM.java	Sun Mar 10 21:27:06 2013 +0100
+++ b/rt/vm/src/main/java/org/apidesign/vm4brwsr/VM.java	Thu Mar 21 18:48:46 2013 +0100
@@ -28,7 +28,11 @@
     public VM(Appendable out) {
         super(out);
     }
-    
+
+    private VM(Appendable out, ObfuscationDelegate obfuscationDelegate) {
+        super(out, obfuscationDelegate);
+    }
+
     static {
         // uses VMLazy to load dynamic classes
         boolean assertsOn = false;
@@ -47,6 +51,12 @@
     static void compile(Bck2Brwsr.Resources l, Appendable out, StringArray names) throws IOException {
         new VM(out).doCompile(l, names);
     }
+
+    static void compile(Bck2Brwsr.Resources l, Appendable out, StringArray names,
+                        ObfuscationDelegate obfuscationDelegate) throws IOException {
+        new VM(out, obfuscationDelegate).doCompile(l, names);
+    }
+
     protected void doCompile(Bck2Brwsr.Resources l, StringArray names) throws IOException {
         out.append("(function VM(global) {var fillInVMSkeleton = function(vm) {");
         StringArray processed = new StringArray();
@@ -230,4 +240,9 @@
     String accessClass(String className) {
         return "vm." + className;
     }
+
+    @Override
+    String getVMObject() {
+        return "vm";
+    }
 }