[GHC] #14883: QuantifiedConstraints don't kick in when used in TypeApplications

[GHC]

#14883: QuantifiedConstraints don't kick in when used in TypeApplications
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        Reporter:  RyanGlScott       |                Owner:  (none)
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:  8.6.1
       Component:  Compiler (Type    |              Version:  8.5
  checker)                           |             Keywords:
      Resolution:  fixed             |  QuantifiedConstraints
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  GHC rejects       |  Unknown/Multiple
  valid program                      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #15290            |  Differential Rev(s):  Phab:D4895
       Wiki Page:                    |
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Changes (by RyanGlScott):

 * status:  patch => closed
 * resolution:   => fixed
 * milestone:   => 8.6.1


Comment:

 As noted in comment:6, #15290 completely obviates the need for a setup
 like the `Traversable'` instance for `T2`, so this issue can be closed.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14883#comment:11>
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