[GHC] #8132: Warning for Typeable instances misplaced

[GHC]

#8132: Warning for Typeable instances misplaced
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        Reporter:  scottgw                       |            Owner:
            Type:  bug                           |  dreixel
        Priority:  highest                       |           Status:  new
       Component:  Compiler                      |        Milestone:  7.8.1
      Resolution:                                |          Version:  7.7
Operating System:  Unknown/Multiple              |         Keywords:
 Type of failure:  Incorrect warning at          |     Architecture:
  compile-time                                   |  Unknown/Multiple
       Test Case:                                |       Difficulty:
        Blocking:                                |  Unknown
                                                 |       Blocked By:
                                                 |  Related Tickets:
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Comment (by Jose Pedro Magalhaes <jpm@…>):

 In [changeset:5335e56953c4bbe18166039c06256e725f074b64/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="5335e56953c4bbe18166039c06256e725f074b64"
 Turn manual Typeable instances into errors; fixes #8132
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8132#comment:14>
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