libavcodec/hevc.c:1090: error: Uninitialized Value
  The value read from significant_coeff_flag_idx[_] was never initialized.

libavcodec/hevc.c:1090:13: 
1088.                 ctx_set++;
1089.             greater1_ctx      = 1;
1090.             last_nz_pos_in_cg = significant_coeff_flag_idx[0];
                  ^
1091. 
1092.             for (m = 0; m < (n_end > 8 ? 8 : n_end); m++) {
