for (Iterator<ThrownException> i = other.iterator(); i.hasNext(); ) { addAndAdopt(i.next().duplicate()); }
exceptionSet.or(other.exceptionSet); explicitSet.or(other.explicitSet); size = countBits(exceptionSet);  commonSupertype = null;
	public void addAll(ExceptionSet other) {		for (Iterator<ThrownException> i = other.iterator(); i.hasNext(); ) {			addAndAdopt(i.next().duplicate());		}	}