[GHC] #10218: GHC creates incorrect code which throws <<loop>>

[GHC]

#10218: GHC creates incorrect code which throws <<loop>>
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        Reporter:  yongqli           |                   Owner:
            Type:  bug               |                  Status:  new
        Priority:  normal            |               Milestone:
       Component:  Compiler          |                 Version:  7.10.1
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  None/Unknown      |  Unknown/Multiple
      Blocked By:                    |               Test Case:  yes
 Related Tickets:                    |                Blocking:
                                     |  Differential Revisions:
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Comment (by AlexET):

 Running late demand analysis does seem to fix this. I am now pretty sure
 this is a problem with cse and demand. There seems to be two ways to fix
 it. Either drop demand information on variables involved in cse or somehow
 infer the correct demand information.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10218#comment:9>
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