[Bug tree-optimization/21407] [4.1 Regression] wrong code with upcast in C++

[pinskia at gcc dot gnu dot org]

-- 
           What    |Removed                     |Added
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   Target Milestone|---                         |4.1.0
            Version|4.0.0                       |4.1.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21407