libavcodec/error_resilience.c:522: error: Uninitialized Value
  The value read from fixed[_] was never initialized.

libavcodec/error_resilience.c:522:37: 
520.                         pred_count++;
521.                     }
522.                     if (mb_y > 0 && fixed[mb_xy - mb_stride]) {
                                         ^
523.                         mv_predictor[pred_count][0] =
524.                             s->current_picture.f.motion_val[0][mot_index - mot_stride * mot_step][0];
