libavcodec/vorbis_dec.c:1339: error: Uninitialized Value
  The value read from classifs[_] was never initialized.

libavcodec/vorbis_dec.c:1339:25: 
1337. 
1338.                     if (!do_not_decode[j]) {
1339.                         uint_fast8_t vqclass = classifs[j_times_ptns_to_read+partition_count];
                              ^
1340.                         int_fast16_t vqbook = vr->books[vqclass][pass];
1341. 
