[GHC] #11551: Get doctests into testsuite

[GHC]

#11551: Get doctests into testsuite
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        Reporter:  lwm               |                Owner:
            Type:  task              |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Core Libraries    |              Version:  7.10.3
      Resolution:                    |             Keywords:
                                     |  documentation, doctest
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Documentation     |  Unknown/Multiple
  bug                                |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by Ben Gamari <ben@…>):

 In [changeset:"5ef956e137b35cd53dba3db2f475e97d442b1ba9/ghc" 5ef956e/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="5ef956e137b35cd53dba3db2f475e97d442b1ba9"
 Fix doctests in Data.Functor

 Reviewers: austin, hvr, bgamari

 Reviewed By: bgamari

 Subscribers: thomie

 Differential Revision: https://phabricator.haskell.org/D2920

 GHC Trac Issues: #11551
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11551#comment:5>
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