[GHC] #931: -caf-all gives "Error: symbol `Mainmain_CAF_cc_ccs' is already defined"

[GHC]

#931: -caf-all gives "Error: symbol `Mainmain_CAF_cc_ccs' is already defined"
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    Reporter:  igloo      |        Owner:         
        Type:  bug        |       Status:  new    
    Priority:  normal     |    Milestone:  6.6.1  
   Component:  Profiling  |      Version:  6.5    
    Severity:  normal     |   Resolution:         
    Keywords:             |   Difficulty:  Unknown
Architecture:  Unknown    |           Os:  Linux  
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Comment (by fis):

 i reported this on haskell-cafe, because i didn't really expect it to be a
 bug.  similar error messages can be produced on my machine with the much
 smaller module 'module Main where main = error ""', or anything else i
 tried.

 can anybody actually reproduce this?

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/931>
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