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

[GHC]

#10218: GHC creates incorrect code which throws <<loop>>
-------------------------------------+-------------------------------------
        Reporter:  yongqli           |                   Owner:
            Type:  bug               |                  Status:  merge
        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:
 Related Tickets:                    |  strianal/should_run/T10218
                                     |                Blocking:
                                     |  Differential Revisions:
-------------------------------------+-------------------------------------
Changes (by simonpj):

 * status:  new => merge
 * testcase:  yes => strianal/should_run/T10218


Comment:

 Right I've fixed this.  Thank you for identifying it.  I'm really sorry it
 cost you so much to track down.

 Simon

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10218#comment:14>
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