[GHC] #7574: Register allocator chokes on certain branches with literals

[GHC]

#7574: Register allocator chokes on certain branches with literals
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Reporter:  thoughtpolice       |          Owner:                  
    Type:  bug                 |         Status:  new             
Priority:  normal              |      Component:  Compiler (NCG)  
 Version:  7.7                 |       Keywords:  ncg, codegen    
      Os:  Unknown/Multiple    |   Architecture:  Unknown/Multiple
 Failure:  Compile-time crash  |      Blockedby:                  
Blocking:                      |        Related:  #7571           
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Changes (by thoughtpolice):

  * keywords:  => ncg, codegen
  * failure:  None/Unknown => Compile-time crash
  * version:  7.6.1 => 7.7
  * component:  Compiler => Compiler (NCG)


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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7574#comment:3>
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