[GHC] #14710: GHC 8.4.1-alpha allows the use of kind polymorphism without PolyKinds

[GHC]

#14710: GHC 8.4.1-alpha allows the use of kind polymorphism without PolyKinds
-------------------------------------+-------------------------------------
        Reporter:  RyanGlScott       |                Owner:  (none)
            Type:  bug               |               Status:  closed
        Priority:  high              |            Milestone:  8.6.1
       Component:  Compiler (Type    |              Version:  8.4.1-alpha1
  checker)                           |
      Resolution:  fixed             |             Keywords:  PolyKinds
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  GHC accepts       |            Test Case:
  invalid program                    |  polykinds/T14710
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D4554
       Wiki Page:                    |
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Changes (by RyanGlScott):

 * testcase:   => polykinds/T14710
 * status:  patch => closed
 * resolution:   => fixed
 * milestone:  8.4.1 => 8.6.1


Comment:

 It's probably not wise to merge this into 8.4.2, since this technically
 causes `PolyKinds` to reject more programs than before (even if the
 programs it was erroneously accepting were only valid for a few GHC
 releases).

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14710#comment:11>
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