[GHC] #10288: -flate-dmd-anal triggers "Entered absent arg"

[GHC]

#10288: -flate-dmd-anal triggers "Entered absent arg"
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        Reporter:  yongqli           |                   Owner:
            Type:  bug               |                  Status:  infoneeded
        Priority:  normal            |               Milestone:
       Component:  Compiler          |                 Version:  7.10.1
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  Runtime crash     |  Unknown/Multiple
      Blocked By:                    |               Test Case:
 Related Tickets:                    |                Blocking:
                                     |  Differential Revisions:
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Comment (by simonpj):

 Yes indeed!  You should ''never'' get "Entered absent arg", so there's an
 outright bug there.  But we can't fix it unless we can reproduce it.

 Simon

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10288#comment:2>
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