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Panic in a user Template Haskell function is wrongly reported as a GHC bug
GhcBangBug.hs:1:1:ghc: panic! (the 'impossible' happened)
(GHC version 7.4.1 for x86_64-unknown-linux):
Could not convert (Strict,Type) to BangType
(Unpacked,ConT GHC.Types.Int) Language/Haskell/Convert.hs:(64,5)-(65,42): Non-exhaustive patterns in function conv
See attached test file for further information.
Trac metadata
| Trac field | Value |
|---|---|
| Version | 7.4.1 |
| Type | Bug |
| TypeOfFailure | OtherFailure |
| Priority | normal |
| Resolution | Unresolved |
| Component | Compiler |
| Test case | |
| Differential revisions | |
| BlockedBy | |
| Related | |
| Blocking | |
| CC | |
| Operating system | |
| Architecture |
Edited by Simon Peyton Jones