[GHC] #10294: Missing instances if compiling with -fplugin

[GHC]

#10294: Missing instances if compiling with -fplugin
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        Reporter:  jscholl           |                   Owner:
            Type:  bug               |                  Status:  closed
        Priority:  normal            |               Milestone:
       Component:  Compiler (Type    |                 Version:  7.10.1
  checker)                           |                Keywords:
      Resolution:  duplicate         |            Architecture:  x86_64
Operating System:  Linux             |  (amd64)
 Type of failure:  GHC rejects       |               Test Case:
  valid program                      |                Blocking:
      Blocked By:  10420             |  Differential Revisions:
 Related Tickets:                    |
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Changes (by ezyang):

 * status:  new => closed
 * resolution:   => duplicate
 * blockedby:   => 10420


Comment:

 Pretty sure this is a duplicate of #10420, which was reported later but
 has a proper diagnosis of the problem. But maybe we should put this test
 example into the test suite in any case.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10294#comment:1>
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