libavcodec/mdec.c:91: error: Uninitialized Value
  The value read from re_size_plus8 was never initialized.

libavcodec/mdec.c:91:17: 
89.                 level= (level*qscale*quant_matrix[j])>>3;
90.                 level = (level ^ SHOW_SBITS(re, &a->gb, 1)) - SHOW_SBITS(re, &a->gb, 1);
91.                 LAST_SKIP_BITS(re, &a->gb, 1);
                    ^
92.             } else {
93.                 /* escape */
