[GHC] #14880: GHC panic: updateRole

[GHC]

#14880: GHC panic: updateRole
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        Reporter:  RyanGlScott       |                Owner:  goldfire
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:  8.8.1
       Component:  Compiler (Type    |              Version:  8.2.2
  checker)                           |
      Resolution:                    |             Keywords:  TypeInType
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Compile-time      |  Unknown/Multiple
  crash or panic                     |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #15076            |  Differential Rev(s):  Phab:D4769
       Wiki Page:                    |
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Comment (by tdammers):

 Replying to [comment:103 simonpj]:
 > > I'm afraid the easiest way is going to be to take the patch as is, and
 then manually re-engineer the -accum change from there.
 >
 > OK.  That should be very easy to accomplish.   Let me know if you need
 help (make a branch if so).

 I think I've got it, but it probably won't hurt if you take a look. I'll
 let you know when I'm ready.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14880#comment:104>
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