[GHC] #7878: Panic when using DerivingGeneric with hs-boot

[GHC]

#7878: Panic when using DerivingGeneric with hs-boot
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Reporter:  ryant5000           |          Owner:                
    Type:  bug                 |         Status:  new           
Priority:  normal              |      Component:  Compiler      
 Version:  7.6.3               |       Keywords:                
      Os:  Linux               |   Architecture:  x86_64 (amd64)
 Failure:  Compile-time crash  |      Blockedby:                
Blocking:                      |        Related:                
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Comment(by ryant5000):

 It appears that using DerivingGeneric in other files in the cycle, even if
 they don't themselves use hs-boot files, also sometimes causes this
 problem, but not always.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7878#comment:1>
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