super(rdfs, null);
super(rdfs, dfs);
	public WillBeDereferencedAnalysis(			ReverseDepthFirstSearch rdfs,			CFG cfg,			MethodGen methodGen,			ValueNumberDataflow vnaDataflow,			TypeDataflow typeDataflow) {		super(rdfs, null);		this.cfg = cfg;		this.methodGen = methodGen;		//this.typeDataflow = typeDataflow;		this.vnaDataflow = vnaDataflow;		//this.maxBit = methodGen.getMaxLocals();	}