[GHC] #11135: Migrate more of Data.Functor.* from transformers to base.

[GHC]

#11135: Migrate more of Data.Functor.* from transformers to base.
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        Reporter:  hvr               |                Owner:
            Type:  task              |               Status:  closed
        Priority:  highest           |            Milestone:  8.0.1
       Component:  libraries/base    |              Version:  7.10.2
      Resolution:  fixed             |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D1543
       Wiki Page:                    |  Phab:D1544 Phab:D1630
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Comment (by sboo):

 Could we add this?

 {{{#!hs
 import System.Mem.StableName

 instance Eq1 StableName where
  liftEq _ = eqStableName
 }}}

 I didn't see it in https://phabricator.haskell.org/D1543

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11135#comment:24>
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