Some weird inheritance structure can add duplicate tags here.
The order of tags returned by readFullInheritance matters here. We cannot throw it away.
readFullInheritance
I would like to see more information on the issue we're trying to fix here.
Oh, yes - I've tested it more and it doesn't help much - most of time is still spent in symlinking. I'll drop this one.
Pull-Request has been closed by tkopecek
Some weird inheritance structure can add duplicate tags here.