[GHC] #15788: Core Lint error, from visible kind applications

[GHC]

#15788: Core Lint error, from visible kind applications
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        Reporter:  Iceland_jack      |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.6.1
      Resolution:                    |             Keywords:  #12045
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by Iceland_jack):

 Giving `k` a signature fixes is `data A :: forall (k :: Type). Type`. This
 also works fine:

 {{{#!hs
 data
   B   :: forall k (a :: k). Type where
   MkB :: a -> B @Type @a

 data
   C   :: forall
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15788#comment:1>
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