[GHC] #9626: Test command lines munged on Windows when running on msys Python

[GHC]

#9626: Test command lines munged on Windows when running on msys Python
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        Reporter:  gintas            |                   Owner:
            Type:  bug               |                  Status:  closed
        Priority:  normal            |               Milestone:  7.10.1
       Component:  Build System      |                 Version:  7.9
      Resolution:  fixed             |                Keywords:
Operating System:  Windows           |            Architecture:
 Type of failure:  Building GHC      |  Unknown/Multiple
  failed                             |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
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Comment (by ezyang):

 See #10441 for this apparently breaking in a recent version of msys2.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9626#comment:6>
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