[GHC] #15116: GHC internal error when GADT return type mentions its own constructor name

[GHC]

#15116: GHC internal error when GADT return type mentions its own constructor name
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        Reporter:  RyanGlScott       |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:  8.6.1
       Component:  Compiler (Type    |              Version:  8.5
  checker)                           |             Keywords:  GADTs,
      Resolution:                    |  TypeInType
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 Simon Peyton Jones <simonpj@…>):

 In [changeset:"aa03ad885373f82c008ae7d75206f5305c395b61/ghc"
 aa03ad88/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="aa03ad885373f82c008ae7d75206f5305c395b61"
 Simplify the kind checking for type/class decls

 This patch deletes quite a bit of code,
 AND fixes Trac #15116.
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15116#comment:5>
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