#7005: GHC 7.4.2 crashes with a panic when using type families and data kinds
together
---------------------------------------------+------------------------------
    Reporter:  Kangyuan                      |       Owner:                    
        Type:  bug                           |      Status:  infoneeded        
    Priority:  normal                        |   Milestone:                    
   Component:  Compiler                      |     Version:  7.4.2             
    Keywords:  panic typefamilies datakinds  |          Os:  Unknown/Multiple  
Architecture:  Unknown/Multiple              |     Failure:  Compile-time crash
  Difficulty:  Unknown                       |    Testcase:                    
   Blockedby:                                |    Blocking:                    
     Related:                                |  
---------------------------------------------+------------------------------
Changes (by simonpj):

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


Comment:

 Hard to be certain, but this looks #6025 and #6011, both of which are now
 fixed.  Would you be able to try with HEAD or a development snapshot?

 Simon

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7005#comment:1>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler

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