[GHC] #7531: after manualy installing array-0.4.0.1

[GHC]

#7531: after manualy installing array-0.4.0.1
-------------------------+--------------------------------------------------
Reporter:  guest         |          Owner:                
    Type:  bug           |         Status:  new           
Priority:  normal        |      Component:  Package system
 Version:  7.6.1         |       Keywords:                
      Os:  Windows       |   Architecture:  x86_64 (amd64)
 Failure:  None/Unknown  |      Blockedby:                
Blocking:                |        Related:                
-------------------------+--------------------------------------------------
 After manually installing array-0.4.0.1 installation manually of Cabal
 -1.16.0.3 print:
 c:\download\archive\Cabal\1.16.0.3\Cabal-1.16.0.3>runghc Setup.hs install
 ghc: panic! (the 'impossible' happened)
   (GHC version 7.4.2 for i386-unknown-mingw32):
         interactiveUI:setBuffering2

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

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7531>
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