[GHC] #11651: Allow plugins to define built-in rules

[GHC]

#11651: Allow plugins to define built-in rules
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        Reporter:  simonpj           |                Owner:
            Type:  bug               |               Status:  merge
        Priority:  highest           |            Milestone:  8.0.1
       Component:  Compiler          |              Version:  7.10.3
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by simonpj):

 * status:  new => merge


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11651#comment:3>
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