anchor.diff:          _doubleBufferUint8[6], _doubleBufferUint8[7]);
     }
   
  +  @pragma("vm:prefer-inline")
     void addByte(int byte) {
       _buffer[length++] = byte;
       if (length == SIZE) {
  
positive.code:     }
    }
  
    void addByte2(int byte1, int byte2) {
      if (length < SAFE_SIZE) {
        _buffer[length++] = byte1;
  
negative.code:     }
    }
  
    @pragma("vm:prefer-inline")
    void addByte4(int byte1, int byte2, int byte3, int byte4) {
      if (length < SAFE_SIZE) {
        _buffer[length++] = byte1;
  