VM.sysExit(VM.exitStatusBogusCommandLineArg);
VM.sysExit(VM.EXIT_STATUS_BOGUS_COMMAND_LINE_ARG);
  public static void processCommandLineArg(String arg) {    if (!options.processAsOption("-X:aos", arg)) {      VM.sysWrite("vm: illegal adaptive configuration directive \""+arg+"\" specified as -X:aos:"+arg+"\n");      VM.sysExit(VM.exitStatusBogusCommandLineArg);    }  }