[GHC] #15971: Hadrian fails Shake's linter on Windows

[GHC]

#15971: Hadrian fails Shake's linter on Windows
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        Reporter:  bgamari           |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  high              |            Milestone:  8.8.1
       Component:  Build System      |              Version:  8.7
  (Hadrian)                          |
      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 NeilMitchell):

 This lint file means you created the files, as dependencies, then
 something went round and did a touch on them. Having a point of creation
 is fine, but what's doing the touch? If you don't know their names, how do
 they get into a list of .o files? Where is that rule?

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15971#comment:5>
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