T1735(ghci) failing with core-lint error

excerpt from the error message:

GHCi, version 7.1.20101013: http://www.haskell.org/ghc/  :? for help
Loading package ghc-prim ... linking ... done.
Loading package integer-gmp ... linking ... done.
Loading package base ... linking ... done.
Loading package ffi-1.0 ... linking ... done.
[1 of 6] Compiling T1735_Help.Context ( T1735_Help/Context.hs, interpreted )
[2 of 6] Compiling T1735_Help.State ( T1735_Help/State.hs, interpreted )
[3 of 6] Compiling T1735_Help.Basics ( T1735_Help/Basics.hs, interpreted )
[4 of 6] Compiling T1735_Help.Instances ( T1735_Help/Instances.hs, interpreted )
[5 of 6] Compiling T1735_Help.Xml   ( T1735_Help/Xml.hs, interpreted )
*** Core Lint errors : in result of Tidy Core ***
{-# LINE 122 "T1735_Help/Xml.hs #-}:
    [RHS of T1735_Help.Xml.typeNotValue :: forall a_a1NJ.
                                           T1735_Help.Xml.Xml a_a1NJ =>
                                           a_a1NJ -> a_a1NJ]
    Demand type has  2  arguments, rhs has  1 arguments,  T1735_Help.Xml.typeNotValue
    Binder's strictness signature: DmdType TTb

Trac metadata

Trac field	Value
Version	6.12.3
Type	Bug
TypeOfFailure	OtherFailure
Priority	highest
Resolution	Unresolved
Component	Compiler (Type checker)
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