[Bug tree-optimization/21829] [4.1 Regression] missed jump threading after unroller

[pinskia at gcc dot gnu dot org]

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


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21829