Method isPrefetch

bolt/common/caching/AsyncDataCache.h:229–231

  memory::MachinePageCount setPrefetch(bool flag = true);

  bool isPrefetch() const {
    return isPrefetch_;
  }

  /// Distinguishes between a reuse of a cached entry from first retrieval of a
  /// prefetched entry. If this is false, we have an actual reuse of cached