[GHC] #12504: Windows: Using hsc2hs in combination with inline-c generates the .c files with invalid paths

[GHC]

#12504: Windows: Using hsc2hs in combination with inline-c generates the .c files
with invalid paths
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        Reporter:  rcook             |                Owner:
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  hsc2hs            |              Version:  8.0.1
      Resolution:                    |             Keywords:
Operating System:  Windows           |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  Other             |            Test Case:
                                     |  /testsuite/tests/hsc2hs/T12504/path/to/T12504.hsc
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by mpickering):

 It seems that you have a patch Richard? Could you possibly submit it to
 phabricator for review if it fixes the issue you are facing?

 Thank you for the reproduction steps but they are too involved to be
 really useful to find the issue. A reproduction should ideally be one
 invocation of `ghc` rather than relying on lots of external tools and
 libraries like stack.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12504#comment:3>
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