return -1;
return getSourceLine(ih.getNext());
	public static int getSourceLine(InstructionHandle ih) {        InstructionTargeter[] ts = ih.getTargeters();        if (ts != null) {             for (int j = ts.length - 1; j >= 0; j--) {                InstructionTargeter t = ts[j];                if (t instanceof LineNumberTag) {                	return ((LineNumberTag)t).getLineNumber();                }            }        }        return -1;	}