public void addStreamEscape(InstructionHandle source, InstructionHandle target) {
public void addStreamEscape(Location source, Location target) {
	public void addStreamEscape(InstructionHandle source, InstructionHandle target) {		StreamEscape streamEscape = new StreamEscape(source, target);		streamEscapeSet.add(streamEscape);		if (FindOpenStream.DEBUG)			System.out.println("Adding potential stream escape " + streamEscape);	}