gc tweaks
Matthew Fluet
mfluet@intertrust.com
Wed, 22 Aug 2001 09:57:37 -0700 (PDT)
> I'm missing something. Isn't it clearly a maximum? I guess that refs are a
> problem. If you define share to not follow refs at all then it seems clear to
> me that it is a maximum. You will only have one copy of all reachable objects.
You're right. I was just remembering a comment Steve has in the CSE pass,
which notes that failing to have a total ordering on variables, he
partially orders them by hashes, which might miss a few cse's. But, when
you're dealing with pointer equality, you're fine.