[GHC] #1489: Impossible happened

[GHC]

#1489: Impossible happened
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    Reporter:  iampure at gmail.com  |        Owner:         
        Type:  bug                |       Status:  new    
    Priority:  highest            |    Milestone:         
   Component:  Compiler           |      Version:  6.7    
    Severity:  blocker            |   Resolution:         
    Keywords:                     |   Difficulty:  Unknown
          Os:  Unknown            |     Testcase:         
Architecture:  Unknown            |  
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Comment (by iampure at gmail.com):

 It appears that merely evaluating

 foo = putStrLn "hi"

 triggers the bug, but only when inside a module that uses those extensions
 in combination with my code.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1489>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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