[GHC] #7321: Compiler hangs when reading interface file

[GHC]

#7321: Compiler hangs when reading interface file
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    Reporter:  simonpj           |       Owner:                  
        Type:  bug               |      Status:  new             
    Priority:  normal            |   Milestone:                  
   Component:  Compiler          |     Version:  7.6.1           
    Keywords:                    |          Os:  Unknown/Multiple
Architecture:  Unknown/Multiple  |     Failure:  None/Unknown    
  Difficulty:  Unknown           |    Testcase:                  
   Blockedby:                    |    Blocking:                  
     Related:                    |  
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Comment(by simonpj):

 Indeed!  Your GADT is a little weird, because it mentions itself in the
 type index, but that shouldn't make GHC hang.

 Turns out to be a not-lazy-enough bug in the interface file type checker.
 Patch coming.

 Simon

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7321#comment:1>
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