[GHC] #7078: Requested to report bug as below.

[GHC]

#7078: Requested to report bug as below.
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 Reporter:  NeilJ                      |          Owner:          
     Type:  bug                        |         Status:  new     
 Priority:  normal                     |      Component:  Compiler
  Version:  7.4.1                      |       Keywords:          
       Os:  Unknown/Multiple           |   Architecture:  x86     
  Failure:  GHC rejects valid program  |       Testcase:          
Blockedby:                             |       Blocking:          
  Related:                             |  
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 ghc: panic! (the 'impossible' happened)
   (GHC version 7.4.1 for i386-unknown-linux):
         DsMonad: uninitialised ds_parr_bi

 Please report this as a GHC bug:  http://www.haskell.org/ghc/reportabug

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7078>
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