[GHC] #9957: Document -fwarn-unticked-promoted-constructors in release notes

[GHC]

#9957: Document -fwarn-unticked-promoted-constructors in release notes
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        Reporter:  adamgundry        |                   Owner:
            Type:  bug               |                  Status:  closed
        Priority:  normal            |               Milestone:  7.10.1
       Component:  Documentation     |                 Version:  7.10.1-rc1
      Resolution:  fixed             |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  Documentation     |  Unknown/Multiple
  bug                                |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
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Changes (by thoughtpolice):

 * status:  new => closed
 * resolution:   => fixed


Comment:

 Fixed in the GHC 7.10 branch (4baf8d2aa09bb72ff8ba32335ddf235f5a644717).

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9957#comment:1>
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