[GHC] #9328: MINIMAL pragma should supprt negation

[GHC]

#9328: MINIMAL pragma should supprt negation
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              Reporter:  augustss    |             Owner:
                  Type:  feature     |            Status:  new
  request                            |         Milestone:
              Priority:  normal      |           Version:  7.8.3
             Component:  Compiler    |          Keywords:
            Resolution:              |  Operating System:  Unknown/Multiple
Differential Revisions:              |   Type of failure:  None/Unknown
          Architecture:              |         Test Case:
  Unknown/Multiple                   |          Blocking:
            Difficulty:  Unknown     |
            Blocked By:              |
       Related Tickets:              |
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Comment (by nomeata):

 That’s no longer a statement of what instances are `MINIMAL`, but rather a
 complete description of sensible instantiations, isn’t it?

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9328#comment:1>
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