[GHC] #4237: -dcore-lint error after simplifier iteration 1 when profiling

[GHC]

#4237: -dcore-lint error after simplifier iteration 1 when profiling
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    Reporter:  wkahl                             |        Owner:                    
        Type:  bug                               |       Status:  infoneeded        
    Priority:  high                              |    Milestone:  6.14.1            
   Component:  Compiler                          |      Version:  6.12.3            
    Keywords:  profiling, simplifier, core-lint  |     Testcase:                    
   Blockedby:  4172, 4186                        |   Difficulty:                    
          Os:  Linux                             |     Blocking:                    
Architecture:  x86_64 (amd64)                    |      Failure:  Compile-time crash
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Comment(by wkahl):

 I found out that what keeps me from trying out HEAD is #4250.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4237#comment:4>
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