[GHC] #1853: hpc mix files for Main modules overwrite each other

[GHC]

#1853: hpc mix files for Main modules overwrite each other
-------------------------------+--------------------------------------------
    Reporter:  guest           |       Owner:  AndyGill    
        Type:  bug             |      Status:  new         
    Priority:  lowest          |   Milestone:  7.6.2       
   Component:  Code Coverage   |     Version:  6.8.1       
    Keywords:                  |          Os:  Linux       
Architecture:  x86_64 (amd64)  |     Failure:  None/Unknown
  Difficulty:  Unknown         |    Testcase:              
   Blockedby:                  |    Blocking:              
     Related:                  |  
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Comment(by andygill):

 This one is tricky to fix, because of a baked in assumption. If anyone
 wants to help, or if I can find a willing student, I can give guidance
 about how to fix it.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1853#comment:12>
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