[GHC] #10758: the 'impossible' happened

[GHC]

#10758: the 'impossible' happened
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        Reporter:  martinmr    |                   Owner:
            Type:  bug         |                  Status:  new
        Priority:  normal      |               Milestone:
       Component:  GHCi        |                 Version:  7.10.2
      Resolution:              |                Keywords:
Operating System:  Linux       |            Architecture:  x86_64 (amd64)
 Type of failure:  GHCi crash  |               Test Case:
      Blocked By:              |                Blocking:
 Related Tickets:              |  Differential Revisions:
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Comment (by martinmr):

 running

 :set -fobject-code

 in ghci seems to fix the problem for now. I am still not sure why it used
 to work without having to set the flag.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10758#comment:2>
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