#7502: Panic when using lists of type-literals
-----------------------------+----------------------------------------------
Reporter: diatchki | Owner:
Type: bug | Status: new
Priority: normal | Component: Compiler
Version: 7.7 | Keywords:
Os: Unknown/Multiple | Architecture: Unknown/Multiple
Failure: None/Unknown | Blockedby:
Blocking: | Related:
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The following program:
{{{
{-# LANGUAGE DataKinds #-}
type S = [1,2]
}}}
Causes a panic:
{{{
ghc-stage2: panic! (the 'impossible' happened)
(GHC version 7.7.20121129 for x86_64-unknown-linux):
lookupVers2
<<details unavailable>>
}}}
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7502>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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