[GHC] #7458: ghc panic

[GHC]

#7458: ghc panic
-------------------------+--------------------------------------------------
    Reporter:  timsears  |       Owner:                    
        Type:  bug       |      Status:  infoneeded        
    Priority:  normal    |   Milestone:                    
   Component:  Compiler  |     Version:  7.4.1             
    Keywords:            |          Os:  Linux             
Architecture:  x86       |     Failure:  Compile-time crash
  Difficulty:  Unknown   |    Testcase:                    
   Blockedby:            |    Blocking:                    
     Related:            |  
-------------------------+--------------------------------------------------
Changes (by simonpj):

  * status:  new => infoneeded
  * difficulty:  => Unknown


Comment:

 Hard to do anything without more info.  There are various tickets
 involving "`tcTyVarDetails`" (as you can see with a quick search), some of
 them fixed, so I'm guessing it's one of those.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7458#comment:3>
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