[GHC] #16066: internal error: PAP object entered!

[GHC]

#16066: internal error: PAP object entered!
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        Reporter:  dnspies        |                Owner:  (none)
            Type:  bug            |               Status:  new
        Priority:  normal         |            Milestone:
       Component:  Compiler       |              Version:  8.4.4
      Resolution:                 |             Keywords:
Operating System:  iOS            |         Architecture:  Unknown/Multiple
 Type of failure:  Runtime crash  |            Test Case:
      Blocked By:                 |             Blocking:
 Related Tickets:                 |  Differential Rev(s):
       Wiki Page:                 |
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Comment (by bgamari):

 Right, but a Core Lint failure would tell us at compile-time whether and
 where the compiler misstepped. Sadly it looks like this won't be so simple
 to find.

 dnspies, any help you could provide in minimizing the reproducer would be
 greatly appreciated.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/16066#comment:8>
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