#7438: Tc panic when type declaration is missing
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Reporter: heisenbug | Owner:
Type: bug | Status: new
Priority: normal | Component: Compiler
Version: 7.7 | Keywords:
Os: Unknown/Multiple | Architecture: Unknown/Multiple
Failure: GHCi crash | Blockedby:
Blocking: | Related:
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Comment(by heisenbug):
I should add that the above is happening in GHCi. With GHC proper I get:
> ghc: panic! (the 'impossible' happened)
> (GHC version 7.7.20121114 for x86_64-unknown-linux):
> tcTyVarDetails k{tv ajW} [tv]
So a bit more information getting through.
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7438#comment:1>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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