[GHC] #11580: panic on incompatible options

[GHC]

#11580: panic on incompatible options
-------------------------------------+-------------------------------------
        Reporter:  dougm             |                Owner:
            Type:  bug               |               Status:  patch
        Priority:  low               |            Milestone:
       Component:  Compiler          |              Version:  7.8.4
      Resolution:                    |             Keywords:  newcomer
Operating System:  Linux             |         Architecture:  x86_64
 Type of failure:  Compile-time      |  (amd64)
  crash                              |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D1925
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by bgamari):

 * status:  new => patch
 * differential:   => Phab:D1925


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11580#comment:2>
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