[GHC] #15343: Implicitly quantifying a kind variable causes GHC 8.6 to panic (coercionKind)

[GHC]

#15343: Implicitly quantifying a kind variable causes GHC 8.6 to panic
(coercionKind)
-------------------------------------+-------------------------------------
        Reporter:  RyanGlScott       |                Owner:  (none)
            Type:  bug               |               Status:  merge
        Priority:  high              |            Milestone:  8.6.1
       Component:  Compiler (Type    |              Version:  8.5
  checker)                           |
      Resolution:                    |             Keywords:  TypeInType
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  Compile-time      |            Test Case:
  crash or panic                     |  dependent/should_fail/T15343
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by simonpj):

 * status:  new => merge
 * testcase:   => dependent/should_fail/T15343


Comment:

 I'd like Richard to check these patches, if he has time, but they are
 outright bugs and should probably move to the branch

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15343#comment:7>
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