[GHC] #10625: Spurious unused quantified type variable warning with ExistentialQuantification

[GHC]

#10625: Spurious unused quantified type variable warning with
ExistentialQuantification
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        Reporter:  RyanGlScott       |                Owner:
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:
       Component:  Compiler (Type    |              Version:  7.10.1
  checker)                           |             Keywords:
      Resolution:  fixed             |  ExistentialQuantification
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Incorrect         |  Unknown/Multiple
  warning at compile-time            |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #5331             |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by Simon Peyton Jones <simonpj@…>):

 In [changeset:"1ee92293651c0cc70504df1a4450febb986ad891/ghc" 1ee9229/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="1ee92293651c0cc70504df1a4450febb986ad891"
 Test Trac #10625
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10625#comment:3>
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