[GHC] #12600: Overloaded method causes insufficient specialization

[GHC]

#12600: Overloaded method causes insufficient specialization
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        Reporter:  akio              |                Owner:  (none)
            Type:  bug               |               Status:  patch
        Priority:  normal            |            Milestone:  8.2.1
       Component:  Compiler          |              Version:  8.0.1
      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:D3580
       Wiki Page:                    |
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Comment (by David Feuer <David.Feuer@…>):

 In [changeset:"56de2225fa5d22f38b93489a03d5c8b7301b759e/ghc"
 56de2225/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="56de2225fa5d22f38b93489a03d5c8b7301b759e"
 Add a test for #12600

 Reviewers: austin, bgamari

 Reviewed By: bgamari

 Subscribers: rwbarton, thomie

 GHC Trac Issues: #12600

 Differential Revision: https://phabricator.haskell.org/D3580
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12600#comment:6>
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