This may or may not be practically useful to anyone, but I've collected a
summary of the currently outstanding compiler crashers, somewhat
Slava has additionally offered, on Twitter,
28482 root cause is a name lookup bug. It should not be finding 'd' in
the first place.
All the circular inheritance and inheritance clause ones can be fixed by
plumbing thru ITC more.
The OpenExistentialExpr ones are all due to missing Proto.instanceMethod
The two with "lazy" need to be fixed by changing how we emit the lazy var
getter so we don't type check it twice.