libavcodec/opus_silk.c:1192: error: Uninitialized Value
  The value read from excitation[_] was never initialized.

libavcodec/opus_silk.c:1192:13: 
1190.     /* decode signs */
1191.     for (i = 0; i < shellblocks << 4; i++) {
1192.         if (excitation[i] != 0) {
                  ^
1193.             int sign = opus_rc_getsymbol(rc, silk_model_excitation_sign[active +
1194.                                          voiced][qoffset_high][FFMIN(pulsecount[i >> 4], 6)]);
