[GHC] #7422: GHC panics while trying to derive Generic for GADT with kind-lifted phantom parameter

GHC cvs-ghc at haskell.org
Mon Nov 19 10:43:40 CET 2012


#7422: GHC panics while trying to derive Generic for GADT with kind-lifted phantom
parameter
---------------------------+------------------------------------------------
    Reporter:  rpglover64  |        Owner:                    
        Type:  bug         |       Status:  closed            
    Priority:  normal      |    Component:  Compiler          
     Version:  7.4.1       |   Resolution:  duplicate         
    Keywords:              |           Os:  MacOS X           
Architecture:  x86         |      Failure:  Compile-time crash
   Blockedby:              |     Blocking:                    
     Related:              |  
---------------------------+------------------------------------------------
Changes (by dreixel):

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


Comment:

 Thanks for the report, but your code compiles in 7.6.1. Might have been
 fixed with #5936.

 (Note that I haven't thought about what you can actually do with GADTs in
 GHC.Generics; so far I'm just trying to make sure the compiler doesn't
 crash.)

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7422#comment:1>
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