libavcodec/h264.c:3531: error: Buffer Overrun L1
  Offset: -8 Size: 40.

libavcodec/h264.c:3514:1: <Length trace>
3512. }
3513. 
3514. static av_always_inline void fill_filter_caches_inter(H264Context *h,
      ^
3515.                                                       MpegEncContext *const s,
3516.                                                       int mb_type, int top_xy,

libavcodec/h264.c:3514:1: Parameter `h->ref_cache[*][*]`
3512. }
3513. 
3514. static av_always_inline void fill_filter_caches_inter(H264Context *h,
      ^
3515.                                                       MpegEncContext *const s,
3516.                                                       int mb_type, int top_xy,

libavcodec/h264.c:3524:5: Assignment
3522.     int b_stride = h->b_stride;
3523.     int16_t(*mv_dst)[2] = &h->mv_cache[list][scan8[0]];
3524.     int8_t *ref_cache = &h->ref_cache[list][scan8[0]];
          ^
3525.     if (IS_INTER(mb_type) || IS_DIRECT(mb_type)) {
3526.         if (USES_LIST(top_type, list)) {

libavcodec/h264.c:3531:13: Array access: Offset: -8 Size: 40
3529.             int (*ref2frm)[64] = h->ref2frm[h->slice_table[top_xy] & (MAX_SLICES - 1)][0] + (MB_MBAFF ? 20 : 2);
3530.             AV_COPY128(mv_dst - 1 * 8, s->current_picture.f.motion_val[list][b_xy + 0]);
3531.             ref_cache[0 - 1 * 8] =
                  ^
3532.             ref_cache[1 - 1 * 8] = ref2frm[list][s->current_picture.f.ref_index[list][b8_xy + 0]];
3533.             ref_cache[2 - 1 * 8] =
