* Enhance constructor to initialize fields
*/
private void enhanceConstructor(BCClass bc) {
BCMethod cons = bc.getDeclaredMethod("<init>", (String[]) null);
Code code = cons.getCode(false);
code.afterLast();
code.previous();
// private BitSet loaded = new BitSet();
BCField loaded = addBeanField(bc, "loaded", BitSet.class);
loaded.setFinal(true);