code: protected final @IndexOrLow("stack_map_table") int find_stack_map_index_after(int offset) {
  
      running_offset = -1; // no +1 on first entry
      for (int i = 0; i < stack_map_table.length; i++) {
        running_offset = running_offset + stack_map_table[i].getByteCodeOffset() + 1;
        if (running_offset > offset) {
          return i;
        }
        // try next map entry
      }
  
      // no such entry found
      return -1;
    }
docs: Find the index of the StackMap entry whose offset is the first one after the input argument.
  Return -1 if there isn't one. Also sets running_offset.
  
  @param offset byte code offset
  @return the corresponding StackMapEntry index