GADT record with polytype argument causes irrefutable pattern failure in basicTypes/MkId.lhs
data GADTRecordPoly a n where
G {val :: a} :: GADTRecordPoly a (forall n . n) causes
- ** Exception: basicTypes/MkId.lhs:642:8-70: Irrefutable pattern failed for pattern Maybes.Succeeded refinement
when loaded in GHCi
Trac metadata
| Trac field | Value |
|---|---|
| Version | 6.8.2 |
| Type | Bug |
| TypeOfFailure | OtherFailure |
| Priority | normal |
| Resolution | Unresolved |
| Component | Compiler |
| Test case | |
| Differential revisions | |
| BlockedBy | |
| Related | |
| Blocking | |
| CC | |
| Operating system | |
| Architecture |