[GHC] #3402: internal error: ARR_WORDS object entered!

[GHC]

#3402: internal error: ARR_WORDS object entered!
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    Reporter:  tibbe             |        Owner:                  
        Type:  bug               |       Status:  new             
    Priority:  normal            |    Milestone:                  
   Component:  Compiler          |      Version:  6.10.4          
    Severity:  normal            |   Resolution:                  
    Keywords:                    |   Difficulty:  Unknown         
    Testcase:                    |           Os:  Unknown/Multiple
Architecture:  Unknown/Multiple  |  
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Changes (by simonmar):

 * cc: morrow at moonpatio.com (added)
  * difficulty:  => Unknown

Comment:

 Mat, could this be an issue with Vacuum?

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3402#comment:1>
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