[GHC] #16221: Core Lint error with a data type

[GHC]

#16221: Core Lint error with a data type
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        Reporter:  monoidal          |                Owner:  (none)
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:  8.10.1
       Component:  Compiler (Type    |              Version:  8.7
  checker)                           |
      Resolution:  fixed             |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  Compile-time      |            Test Case:
  crash or panic                     |  polykinds/T16221,T16221a
      Blocked By:                    |             Blocking:
 Related Tickets:  #16342            |  Differential Rev(s):
                                     |  https://gitlab.haskell.org/ghc/ghc/merge_requests/444,
       Wiki Page:                    |  https://gitlab.haskell.org/ghc/ghc/merge_requests/499
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Comment (by Marge Bot <ben+marge-bot@…>):

 In [changeset:"07f378cee37338c5f2655b3a7e46dfef3f1c5cc1/ghc"
 07f378ce/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="07f378cee37338c5f2655b3a7e46dfef3f1c5cc1"
 Add tests for Trac #16221 and #16342
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/16221#comment:8>
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