[GHC] #16312: Optimization + adding an INLINE pragma triggers Core Lint error (Type of case alternatives not the same as the annotation on case)

[GHC]

#16312: Optimization + adding an INLINE pragma triggers Core Lint error (Type of
case alternatives not the same as the annotation on case)
-------------------------------------+-------------------------------------
        Reporter:  RyanGlScott       |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.6.3
      Resolution:                    |             Keywords:
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):

 * Attachment "ghc-8.6.3.dump-core-lint" added.

 Result of running `/opt/ghc/8.6.3/bin/ghc -fforce-recomp -dcore-lint
 Bug.hs -O`

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/16312>
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