[GHC] #7534: allocateRegsAndSpill: Cannot read from uninitialized register

[GHC]

#7534: allocateRegsAndSpill: Cannot read from uninitialized register
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    Reporter:  erikd      |       Owner:  simonmar           
        Type:  bug        |      Status:  infoneeded         
    Priority:  normal     |   Milestone:                     
   Component:  Compiler   |     Version:  7.7                
    Keywords:             |          Os:  Linux              
Architecture:  powerpc64  |     Failure:  Building GHC failed
  Difficulty:  Unknown    |    Testcase:                     
   Blockedby:             |    Blocking:                     
     Related:             |  
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Comment(by PHO):

 Isn't this related to #7442?

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7534#comment:6>
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