[GHC] #9597: config.guess too old to detect system type under msys2

[GHC]

#9597: config.guess too old to detect system type under msys2
-------------------------------------+-------------------------------------
              Reporter:  gintas      |            Owner:  hvr
                  Type:  bug         |           Status:  patch
              Priority:  normal      |        Milestone:
             Component:  Build       |          Version:  7.9
  System                             |         Keywords:
            Resolution:              |     Architecture:  Unknown/Multiple
      Operating System:  Windows     |       Difficulty:  Unknown
       Type of failure:              |       Blocked By:
  None/Unknown                       |  Related Tickets:
             Test Case:              |
              Blocking:              |
Differential Revisions:              |
-------------------------------------+-------------------------------------
Changes (by hvr):

 * owner:   => hvr


Comment:

 I was planning to update all `config.{guess,sub}` files soon anyway (I hit
 the very same issue you encountered a few weeks ago, but thought I was
 using the wrong msys2 `.bat` file)

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9597#comment:2>
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