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ghc api problems

Paste:#74600
Author(s):adnam
Language:Haskell
Channel:-
Created:2012-09-11 19:49:17 UTC
Raw:View raw link

ERROR: fay-tests: panic! (the 'impossible' happened)
  (GHC version 7.4.1 for i386-apple-darwin):
	getClassPredTys [ghc-prim:GHC.Types.Char{(w) tc 3o}]

Please report this as a GHC bug:  http://www.haskell.org/ghc/reportabug



ERROR: Couldn't match expected type `GHC.Types.Double'
            with actual type `GHC.Types.Char'
Couldn't match expected type `GHC.Types.Double'
            with actual type `GHC.Types.Char'
Couldn't match expected type `GHC.Types.Double'
            with actual type `GHC.Types.Char'



Ambiguous occurrence `Double'
It could refer to either `GHC.Types.Double',
                         imported from `Language.Fay.Prelude' at tests/recordUseBeforeDefine.hs:6:1-37
                         (and originally defined in `ghc-prim:GHC.Types')
                      or `Data.Maybe.Maybe',
                         imported from `Language.Fay.Prelude' at tests/recordUseBeforeDefine.hs:6:1-37
                         (and originally defined in `base:Data.Maybe')