The source project of this merge request has been removed.
Make TagCompare operator const (for gcc 8)
This error shows up in gcc 8 builds:
https://atlas-tdaq-sw.web.cern.ch/atlas-tdaq-sw/cdash/viewBuildError.php?buildid=26663
The commit is against SFOng-00-08-20 since master seems to require a newer EventStorage, but it should apply cleanly to master as well.