libavcodec/opus_celt.c:791: error: Uninitialized Value
  The value read from boost[_] was never initialized.

libavcodec/opus_celt.c:791:13: 
789.         bits2[i] += boost[i];
790. 
791.         if (boost[i])
                 ^
792.             skip_startband = i;
793.         bits2[i] = FFMAX(0, bits2[i] - bits1[i]);
