[GHC] #13710: panic with boot and -jX

[GHC]

#13710: panic with boot and -jX
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        Reporter:  pacak             |                Owner:  (none)
            Type:  bug               |               Status:  patch
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.2.1-rc2
      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:                    |  Differential Rev(s):  Phab:D3743
       Wiki Page:                    |
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Comment (by ezyang):

 Yeah. The original code was minimized too much: it triggered a panic, but
 the code wouldn't have typechecked anyway (like #12063). They gave a
 second repro which does involve record wildcards.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13710#comment:17>
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