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  • #531

Closed
Open
Opened Apr 11, 2001 by lewie@trac-lewie

GHC 5.0 fails test tc109.hs

Compiler sez:

 Illegal instance declaration for `P b'
	(There must be at least one non-type-variable in the
instance head)

despite there being ample type-vars in the head ;-)
Trac metadata
Trac field Value
Version None
Type Bug
TypeOfFailure OtherFailure
Priority normal
Resolution ResolvedInvalid
Component Compiler (Type checker)
Test case
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Reference: ghc/ghc#531