[GHC] #10966: dirtiness checking isn't keeping track of which source file contained Main

[GHC]

#10966: dirtiness checking isn't keeping track of which source file contained Main
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           Reporter:  gueux          |             Owner:
               Type:  bug            |            Status:  new
           Priority:  normal         |         Milestone:
          Component:  Compiler       |           Version:  7.10.2
           Keywords:                 |  Operating System:  Unknown/Multiple
       Architecture:                 |   Type of failure:  None/Unknown
  Unknown/Multiple                   |
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:
Differential Rev(s):                 |         Wiki Page:
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 See
 https://github.com/commercialhaskell/stack/issues/1127#issuecomment-146781161
 for the description of the issue and
 https://gist.github.com/snoyberg/aa6ce5247f9a0d1b5f95 for a minimal
 example.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10966>
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