mode = EXCEPTION_SENSITIVE_MODE;
	public BasicCFGBuilder(MethodGen methodGen) {		super(methodGen);		firstInsToBBMap = new IdentityHashMap<InstructionHandle, BasicBlock>();		workList = new LinkedList<WorkListItem>();		exceptionHandlerMap = new IdentityHashMap<InstructionHandle, List<InstructionHandle>>();		exceptionGenMap = new IdentityHashMap<InstructionHandle, CodeExceptionGen>();		buildExceptionHandlerMap();		bbHandles = new HashSet<InstructionHandle>();	}