public void endTransfer(BasicBlock basicBlock, InstructionHandle end, Object result_) throws DataflowAnalysisException { IsNullValueFrame result = (IsNullValueFrame) result_;
public void endTransfer(BasicBlock basicBlock, InstructionHandle end, IsNullValueFrame result) throws DataflowAnalysisException {
	public void endTransfer(BasicBlock basicBlock, InstructionHandle end, Object result_) throws DataflowAnalysisException {		IsNullValueFrame result = (IsNullValueFrame) result_;		// Determine if this basic block ends in a redundant branch.		if (end == null) {			if (lastFrame == null)				result.setDecision(null);			else {				IsNullConditionDecision decision = getDecision(basicBlock, lastFrame);				//if (DEBUG) System.out.println("Decision=" + decision);				result.setDecision(decision);			}		}		lastFrame = null;		instanceOfFrame = null;	}