do {
ident = base + "_" + suffix++;
} while (scope.findExistingName(ident) != null);
startIdent.put(base, suffix);
JsName newName = scope.declareName(ident, name.getShortIdent());
v.setReplacementName(name, newName);
nameIterator.set(newName);
}
op = v.accept(op);