docs: private void addSuperBlockStart(int pc) {
          if (GenerateStackMap) {
              if (itsSuperBlockStarts == null) {
                  itsSuperBlockStarts = new int[SuperBlockStartsSize];
              } else if (itsSuperBlockStarts.length == itsSuperBlockStartsTop) {
                  int[] tmp = new int[itsSuperBlockStartsTop * 2];
                  System.arraycopy(itsSuperBlockStarts, 0, tmp, 0,
                      itsSuperBlockStartsTop);
                  itsSuperBlockStarts = tmp;
              }
              itsSuperBlockStarts[itsSuperBlockStartsTop++] = pc;
          }
      }