[GHC] #13304: GHC 8.0.* is slow when run on Windows 10 Ubuntu subsystem

[GHC]

#13304: GHC 8.0.* is slow when run on Windows 10 Ubuntu subsystem
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        Reporter:  sukhmel           |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.0.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by mpickering):

 I assume stack is not necessary to reproduce this? Can you post
 reproduction instructions without it?

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13304#comment:2>
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