[Bug tree-optimization/23821] [4.0/4.1 Regression] DOM and VRP creating harder to optimize code

[mmitchel at gcc dot gnu dot org]

-- 
           What    |Removed                     |Added
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   Target Milestone|4.0.2                       |4.0.3


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23821