[GHC] #8001: Coercion causes "impossible" error

[GHC]

#8001: Coercion causes "impossible" error
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    Reporter:  gridaphobe      |       Owner:                    
        Type:  bug             |      Status:  new               
    Priority:  normal          |   Milestone:                    
   Component:  Compiler        |     Version:  7.6.3             
    Keywords:                  |          Os:  Linux             
Architecture:  x86_64 (amd64)  |     Failure:  Compile-time crash
  Difficulty:  Unknown         |    Testcase:                    
   Blockedby:                  |    Blocking:                    
     Related:                  |  
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Changes (by simonpj):

  * difficulty:  => Unknown


Comment:

 Thanks. This a duplicate of #7713, #5630.

 As #7713 elaborates, all we need is someone willing to step up to the
 task.  Not hard.

 Simon

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/8001#comment:1>
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