[GHC] #7796: improve dead code elimination in CorePrep

[GHC]

#7796: improve dead code elimination in CorePrep
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    Reporter:  nfrisby           |        Owner:  nfrisby         
        Type:  bug               |       Status:  closed          
    Priority:  normal            |    Component:  Compiler        
     Version:  7.6.2             |   Resolution:  fixed           
    Keywords:                    |           Os:  Unknown/Multiple
Architecture:  Unknown/Multiple  |      Failure:  None/Unknown    
   Blockedby:                    |     Blocking:                  
     Related:  #4962 #5433       |  
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Changes (by nfrisby):

  * status:  new => closed
  * resolution:  => fixed


Comment:

 I added the test case simplCore/should_compile/T7796 to test for this.

 For whatever reason, my "Test Case:" box on this form is greyed out...
 harumph.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7796#comment:3>
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