[GHC] #11251: isInstance does not work on Typeable with base-4.8 anymore

[GHC]

#11251: isInstance does not work on Typeable with base-4.8 anymore
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        Reporter:  songzh            |                Owner:  goldfire
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Template Haskell  |              Version:  7.10.1
      Resolution:                    |             Keywords:  Typeable,
                                     |  isInstance
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by Ryan Scott <ryan.gl.scott@…>):

 In [changeset:"85376570c5d34950b1bd8f6c575526e7ff789b84/ghc"
 85376570/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="85376570c5d34950b1bd8f6c575526e7ff789b84"
 Documentation fixes in 'template-haskell'

 Summary:
  * Clarify the non-presence of derived classes in reified decls (#15167)
  * Clarify the shallowness of "reifyInstances" (#7066)
  * Mention that 'Typeable' instances are not found by reifyInstances
 (#11251)
  * Various Haddock markup issues fixed

 Reviewers: goldfire, bgamari

 Reviewed By: bgamari

 Subscribers: rwbarton, carter

 GHC Trac Issues: #15167, #7066, #11251

 Differential Revision: https://phabricator.haskell.org/D5197
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11251#comment:8>
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