int field = 0;
il.append(classGen.loadTranslet());
// Only update _version field if set and different from default
if ((_version != null) && (!_version.equals(XML_VERSION))) {
field = cpg.addFieldref(TRANSLET_CLASS, "_version", STRING_SIG);
il.append(DUP);
il.append(new PUSH(cpg, _version));
il.append(new PUTFIELD(field));
}