type family + data family + typeclass + type error causes GHC to diverge
ryani:~ ryani$ ghc-6.11.20081005 -c overflow.hs
<about 15 seconds pass>
stack overflow: use +RTS -K<size> to increase it
ryani:~ ryani$ Trac metadata
| Trac field | Value |
|---|---|
| Version | 6.11 |
| Type | Bug |
| TypeOfFailure | OtherFailure |
| Priority | normal |
| Resolution | Unresolved |
| Component | Compiler |
| Test case | |
| Differential revisions | |
| BlockedBy | |
| Related | |
| Blocking | |
| CC | |
| Operating system | |
| Architecture |