[GHC] #12502: Reject wrong find utility

[GHC]

#12502: Reject wrong find utility
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        Reporter:  Phyx-             |                Owner:
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Build System      |              Version:  8.0.1
      Resolution:                    |             Keywords:  newcomer
Operating System:  Windows           |         Architecture:
 Type of failure:  Building GHC      |  Unknown/Multiple
  failed                             |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by simonpj):

 I have been personally bitten by this. The error message is obscure, and
 it was extremely painful to unravel.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12502#comment:1>
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