[GHC] #3059: 3 different behaviours depending on profiling settings and on a used-only-once form being top-level

[GHC]

#3059: 3 different behaviours depending on profiling settings and on a used-only-
once form being top-level
-------------------------+--------------------------------------------------
    Reporter:  jkff      |        Owner:         
        Type:  bug       |       Status:  new    
    Priority:  normal    |    Milestone:         
   Component:  Compiler  |      Version:  6.10.1 
    Severity:  normal    |   Resolution:         
    Keywords:            |   Difficulty:  Unknown
    Testcase:            |           Os:  Windows
Architecture:  x86       |  
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Changes (by simonmar):

  * difficulty:  => Unknown

Comment:

 I'm not completely following all the various versions of things here.
 Could one of you attach a small example that illustrates the bad
 behaviour?

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3059#comment:5>
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