#1729: panic on type family
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Reporter: jpbernardy | Owner:
Type: bug | Status: new
Priority: normal | Milestone:
Component: Compiler (Type checker) | Version: 6.8
Severity: major | Keywords:
Difficulty: Unknown | Os: Linux
Testcase: | Architecture: x86
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Ghc panics on this module:
{-# LANGUAGE TypeFamilies #-}
type family Element c :: *
f :: Element x
f = undefined
------
ghc-6.8.0.20070921: panic! (the 'impossible' happened)
(GHC version 6.8.0.20070921 for i386-unknown-linux):
check_tau_type main:Main.Element{tc r5C} x{tv a5F} [tv]
Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1729>
GHC <http://www.haskell.org/ghc/>
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