[GHC] #5649: O2 / HPC collision

[GHC]

#5649: O2 / HPC collision
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    Reporter:  mjo             |        Owner:                    
        Type:  bug             |       Status:  infoneeded        
    Priority:  normal          |    Milestone:  7.4.1             
   Component:  Compiler        |      Version:  7.2.1             
    Keywords:                  |     Testcase:                    
   Blockedby:                  |   Difficulty:                    
          Os:  Linux           |     Blocking:                    
Architecture:  x86_64 (amd64)  |      Failure:  Compile-time crash
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Changes (by simonmar):

  * status:  new => infoneeded
  * milestone:  => 7.4.1


Comment:

 Can you attach the source files that demonstrate the problem please?

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5649#comment:1>
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