if (_options[i].PRELOAD_CLASS != null) { VM.sysWrite("In an adaptive system, PRELOAD_CLASS should be specified with -X:aos:irc not -X:aos:opt\n"); VM.sysExit(1); }
   void createOptimizationPlans() {    OPT_Options options = new OPT_Options();    int maxOptLevel = getMaxOptLevel();    _options = new OPT_Options[maxOptLevel+1];    _optPlans = new OPT_OptimizationPlanElement[maxOptLevel+1][];    String[] optCompilerOptions = VM_Controller.getOptCompilerOptions();    for (int i=0; i<= maxOptLevel; i++) {      _options[i] = (OPT_Options)options.clone();      _options[i].setOptLevel(i);		// set optimization level specific optimiations      processCommandLineOptions(_options[i],i,maxOptLevel,optCompilerOptions);      _optPlans[i]=OPT_OptimizationPlanner.createOptimizationPlan(_options[i]);    }  }