[GHC] #1808: type families: impossible happened, at runtime in GHCi

[GHC]

#1808: type families: impossible happened, at runtime in GHCi
----------------------+-----------------------------------------------------
 Reporter:  guest     |          Owner:  chak       
     Type:  bug       |         Status:  closed     
 Priority:  normal    |      Milestone:  6.10 branch
Component:  Compiler  |        Version:  6.8        
 Severity:  normal    |     Resolution:  fixed      
 Keywords:            |     Difficulty:  Unknown    
 Testcase:            |   Architecture:  x86        
       Os:  Linux     |  
----------------------+-----------------------------------------------------
Changes (by chak):

  * status:  new => closed
  * resolution:  => fixed

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1808#comment:4>
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