[GHC] #13899: Improve [-Wmissing-home-modules] error message

[GHC]

#13899: Improve [-Wmissing-home-modules] error message
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        Reporter:  alanz             |                Owner:  (none)
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:  8.2.1
       Component:  Compiler          |              Version:  8.2.1-rc2
      Resolution:  fixed             |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D3686
       Wiki Page:                    |
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Comment (by bgamari):

 Merged to `ghc-8.2` in 17bce7bccbc65058dc064acf1ef38a5466491c76.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13899#comment:5>
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