[GHC] #5023: program exits at runtime with 'unimplemented/strange closure type' error

[GHC]

#5023: program exits at runtime with 'unimplemented/strange closure type' error
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    Reporter:  bfbarakat       |        Owner:              
        Type:  bug             |       Status:  infoneeded  
    Priority:  normal          |    Milestone:              
   Component:  Compiler        |      Version:  6.12.3      
    Keywords:                  |     Testcase:              
   Blockedby:                  |   Difficulty:              
          Os:  MacOS X         |     Blocking:              
Architecture:  x86_64 (amd64)  |      Failure:  None/Unknown
-------------------------------+--------------------------------------------
Changes (by simonmar):

  * status:  new => infoneeded


Comment:

 Could you send us the data files too?  Basically we need everything
 required to reproduce the problem here.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5023#comment:1>
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