libavcodec/vorbis_dec.c:675: error: Uninitialized Value
  The value read from cascade[_] was never initialized.

libavcodec/vorbis_dec.c:675:21: 
673.         for (j = 0; j < res_setup->classifications; ++j) {
674.             for (k = 0; k < 8; ++k) {
675.                 if (cascade[j]&(1 << k)) {
                         ^
676.                     GET_VALIDATED_INDEX(res_setup->books[j][k], 8, vc->codebook_count)
677. 
