[GHC] #9823: --show-iface panics with HEAD

[GHC]

#9823: --show-iface panics with HEAD
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              Reporter:  jstolarek   |            Owner:
                  Type:  bug         |           Status:  new
              Priority:  normal      |        Milestone:  7.10.1
             Component:  Driver      |          Version:  7.9
            Resolution:              |         Keywords:
      Operating System:              |     Architecture:  Unknown/Multiple
  Unknown/Multiple                   |       Difficulty:  Moderate (less
       Type of failure:  GHC         |  than a day)
  doesn't work at all                |       Blocked By:
             Test Case:              |  Related Tickets:  #9799
              Blocking:              |
Differential Revisions:              |
-------------------------------------+-------------------------------------
Changes (by thomie):

 * related:   => #9799


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9823#comment:1>
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