Pattern synonyms crash GHCi
ghci -XPatternSynonyms
> let pattern P x = x
causes a panic. I understand pattern synonyms are currently unsupported in GHCi, but we should give an error message, not a panic.
Trac metadata
Trac field | Value |
---|---|
Version | 7.7 |
Type | Bug |
TypeOfFailure | OtherFailure |
Priority | normal |
Resolution | Unresolved |
Component | Compiler |
Test case | |
Differential revisions | |
BlockedBy | |
Related | |
Blocking | |
CC | cactus |
Operating system | |
Architecture |