[GHC] #14080: GHC panic while forcing the thunk for TyThing IsFile (regression)

[GHC]

#14080: GHC panic while forcing the thunk for TyThing IsFile (regression)
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        Reporter:  inaki             |                Owner:  (none)
            Type:  bug               |               Status:  infoneeded
        Priority:  high              |            Milestone:  8.2.2
       Component:  Compiler          |              Version:  8.2.1
      Resolution:                    |             Keywords:  hs-boot
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Compile-time      |  Unknown/Multiple
  crash or panic                     |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #13803, #13981    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by inaki):

 That didn't work, unfortunately. If you have any other suggestion I would
 be glad to try, otherwise I will start bisecting...

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14080#comment:5>
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