[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:  new
        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):
       Wiki Page:                    |
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Comment (by ezyang):

 So, I think this particular repro case may have been minimized too much.
 It's known that we have some bugs handling hs-boot typechecking when the
 typechecking would ultimately fail (as it would in this example, since the
 implementer doesn't implement enough), but if the original test case was
 code that "should" compile, then it would be better if we had a test case
 which similarly should compile.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13710#comment:7>
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