[GHC] #9056: --make paths are not deduplicated

[GHC]

#9056: --make paths are not deduplicated
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        Reporter:  evincarofautumn   |                   Owner:
            Type:  feature request   |                  Status:  closed
        Priority:  normal            |               Milestone:
       Component:  Driver            |                 Version:  7.8.2
      Resolution:  wontfix           |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  Incorrect         |  Unknown/Multiple
  warning at compile-time            |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
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Changes (by thomie):

 * status:  new => closed
 * type:  bug => feature request
 * resolution:   => wontfix


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9056#comment:3>
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