#5189: incorrect pragma syntax leeds to panic
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Reporter: zickzackv | Owner:
Type: bug | Status: new
Priority: normal | Component: Compiler
Version: 6.10.4 | Keywords: pragma panic
Testcase: | Blockedby:
Os: MacOS X | Blocking:
Architecture: x86 | Failure: GHCi crash
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When using a wrong pragma syntax like:
{-# LANGUAGE IncoherentInstances -#}
{-# LANGUAGE OverlappingInstances #-} -- wrong pragma syntax!
{-# LANGUAGE NoMonomorphismRestriction #-}
{-# LANGUAGE MultiParamTypeClasses #-}
This leeds to the following ghc panic:
ghc: panic! (the 'impossible' happened)
(GHC version 6.10.4 for x86_64-apple-darwin):
getOptions'.parseLanguage(1) went past eof token
Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5189>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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