libavcodec/vorbis_dec.c:1457: error: Uninitialized Value
  The value read from no_residue[_] was never initialized.

libavcodec/vorbis_dec.c:1457:15: 
1455. 
1456.     for(i=mapping->coupling_steps-1;i>=0;--i) {
1457.         if (!(no_residue[mapping->magnitude[i]] & no_residue[mapping->angle[i]])) {
                    ^
1458.             no_residue[mapping->magnitude[i]]=0;
1459.             no_residue[mapping->angle[i]]=0;
