libavcodec/opus_silk.c:993: error: Uninitialized Value
  The value read from lpc32[_] was never initialized.

libavcodec/opus_silk.c:993:13: 
991.         /* time's up: just clamp */
992.         for (k = 0; k < order; k++) {
993.             int x = (lpc32[k] + 16) >> 5;
                 ^
994.             lpc[k] = av_clip_int16(x);
995.             lpc32[k] = lpc[k] << 5; // shortcut mandated by the spec; drops lower 5 bits
