[GHC] #10154: strange closure type 983040 (GHC version 7.8.3 for x86_64_unknown_linux)

[GHC]

#10154: strange closure type 983040 (GHC version 7.8.3 for x86_64_unknown_linux)
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        Reporter:  masterdezign      |                   Owner:
            Type:  bug               |                  Status:  new
        Priority:  high              |               Milestone:
       Component:  Compiler          |                 Version:  7.8.3
      Resolution:                    |                Keywords:  strange
Operating System:  Linux             |  closure type
 Type of failure:  Runtime crash     |            Architecture:
      Blocked By:                    |  Unknown/Multiple
 Related Tickets:                    |               Test Case:
                                     |                Blocking:
                                     |  Differential Revisions:
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Comment (by simonmar):

 If there are unsafe operations being used, could you try with the safe
 versions and see if it still reproduces?

 Also, do you have any ways to reduce the repro case, or make it fail more
 quickly?

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10154#comment:6>
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