[GHC] #13988: GADT constructor with kind equality constraint quantifies unused existential type variables

[GHC]

#13988: GADT constructor with kind equality constraint quantifies unused
existential type variables
-------------------------------------+-------------------------------------
        Reporter:  RyanGlScott       |                Owner:  (none)
            Type:  bug               |               Status:  patch
        Priority:  normal            |            Milestone:
       Component:  Compiler (Type    |              Version:  8.0.1
  checker)                           |
      Resolution:                    |             Keywords:  TypeInType
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  Incorrect result  |            Test Case:
  at runtime                         |  ghci/scripts/T13988
      Blocked By:                    |             Blocking:  14131
 Related Tickets:                    |  Differential Rev(s):  Phab:D3902
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by simonpj):

 * testcase:   => ghci/scripts/T13988


-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13988#comment:7>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler