#1999: panic with GADT etc.
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Reporter: jeltsch | Owner: chak
Type: bug | Status: reopened
Priority: normal | Milestone: 6.10 branch
Component: Compiler | Version: 6.9
Severity: normal | Resolution:
Keywords: | Difficulty: Unknown
Testcase: T1999 | Architecture: x86
Os: Linux |
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Comment (by ganesh):
{{{
{-# LANGUAGE GADTs #-}
module Types where
data EqTypes a b where
EqConstr :: EqTypes a b -> EqTypes (s a) (s b)
eqUnConstr :: EqTypes (s a) (s b) -> EqTypes a b
eqUnConstr (EqConstr eq) = eq
}}}
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1999#comment:8>
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