[GHC] #16104: Plugin name lookup behavior change from GHC 8.4 series

[GHC]

#16104: Plugin name lookup behavior change from GHC 8.4 series
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        Reporter:  lerkok            |                Owner:  (none)
            Type:  bug               |               Status:  patch
        Priority:  normal            |            Milestone:  8.6.4
       Component:  Compiler          |              Version:  8.6.3
      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 bgamari):

 * milestone:  8.8.1 => 8.6.4


Comment:

 Actually, we can even get this in to 8.6.4.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/16104#comment:8>
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