[GHC] #11519: Inferring non-tau kinds

[GHC]

#11519: Inferring non-tau kinds
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        Reporter:  goldfire          |                Owner:
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.1
      Resolution:                    |             Keywords:  TypeInType
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 goldfire):

 The instance declaration with an explicit forall. And I just tried this,
 which is also rejected:

 {{{
 instance forall a. Eq (a -> a)
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11519#comment:5>
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