VM.sysExit(VM.exitStatusBogusCommandLineArg);
VM.sysExit(VM.EXIT_STATUS_BOGUS_COMMAND_LINE_ARG);
  public static float primitiveParseFloat(String arg) {    int len = arg.length();    byte[] b = new byte[len+1];    for (int i = 0; i < len; i++) {      char c = arg.charAt(i);      if (c > 127) {        VM.sysWriteln("vm: Invalid floating point argument ",arg);        VM.sysExit(VM.exitStatusBogusCommandLineArg);      }      b[i] = (byte)c;    }    return VM_SysCall.sysPrimitiveParseFloat(b);  }