libavcodec/hevc.c:1938: error: Uninitialized Value
  The value read from prev_intra_luma_pred_flag[_] was never initialized.

libavcodec/hevc.c:1938:17: 
1936.     for (i = 0; i < side; i++) {
1937.         for (j = 0; j < side; j++) {
1938.             if (prev_intra_luma_pred_flag[2 * i + j])
                      ^
1939.                 lc->pu.mpm_idx = ff_hevc_mpm_idx_decode(s);
1940.             else
