w = h->is_member_bitmap[i];
+ /* count_trailing_zeros(0) == 0, take care of that case */
+ if (PREDICT_FALSE (maybe_range == 0 && insert == 0 && w == 0))
+ return 0;
+
if (PREDICT_TRUE (maybe_range == 0 && insert == 0 &&
count_trailing_zeros (w) == b))
return h->member_counts[i] + 1;