[GHC] #15067: When Typeable and unboxed sums collide, GHC panics

[GHC]

#15067: When Typeable and unboxed sums collide, GHC panics
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        Reporter:  RyanGlScott       |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:  8.6.1
       Component:  Compiler (Type    |              Version:  8.4.1
  checker)                           |             Keywords:  Typeable,
      Resolution:                    |  UnboxedSums
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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Changes (by RyanGlScott):

 * failure:  None/Unknown => Compile-time crash or panic
 * version:  8.2.2 => 8.4.1
 * component:  Compiler => Compiler (Type checker)


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15067#comment:1>
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