[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:  upstream
        Priority:  highest           |            Milestone:  8.0.1
       Component:  libraries/base    |              Version:  7.10.2
      Resolution:                    |             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 Herbert Valerio Riedel <hvr@…>):

 In [changeset:"e0e03d5b9d5cd678f6402534451964d491f16540/ghc"
 e0e03d5b/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="e0e03d5b9d5cd678f6402534451964d491f16540"
 Move Data.Functor.(Classes,Compose,Product,Sum) into base

 These modules were previously provided by the `transformers`
 package. Hence the submodule update.

 This patch was originally contributed by M Farkas-Dyck and
 subsequently taken over and completed by Ryan.

 The original proposal discussion can be found at
 https://mail.haskell.org/pipermail/libraries/2015-July/026014.html

 This addresses #11135

 Differential Revision: https://phabricator.haskell.org/D1543
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11135#comment:16>
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