[GHC] #11767: Add @since annotations for base instances

[GHC]

#11767: Add @since annotations for base instances
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        Reporter:  bgamari           |                Owner:
            Type:  task              |               Status:  new
        Priority:  normal            |            Milestone:  8.2.1
       Component:  Core Libraries    |              Version:  7.10.3
      Resolution:                    |             Keywords:  newcomer
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #11768            |  Differential Rev(s):  Phab:D2277
       Wiki Page:                    |
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Changes (by bgamari):

 * owner:  seraphime =>
 * status:  patch => new


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11767#comment:12>
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