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

[GHC]

#10294: Missing instances if compiling with -fplugin
-------------------------------------+-------------------------------------
        Reporter:  jscholl           |                   Owner:
            Type:  bug               |                  Status:  closed
        Priority:  normal            |               Milestone:  7.12.1
       Component:  Compiler (Type    |                 Version:  7.10.1
  checker)                           |
      Resolution:  fixed             |                Keywords:
Operating System:  Linux             |            Architecture:  x86_64
                                     |  (amd64)
 Type of failure:  GHC rejects       |               Test Case:
  valid program                      |  plugins/T10294, plugins/T10294a
      Blocked By:  10420             |                Blocking:
 Related Tickets:                    |  Differential Revisions:
-------------------------------------+-------------------------------------
Changes (by thomie):

 * status:  new => closed
 * resolution:   => fixed
 * milestone:   => 7.12.1


Comment:

 Nevermind, that warning only shows up when ghc is compiled with `-DDEBUG`,
 and is not related to this ticket at all. Closing as duplicate again.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10294#comment:6>
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