[Bug tree-optimization/23382] [4.1 Regression] Don't remove the old HEAP virtual variables in clobbered

[pinskia at gcc dot gnu dot org]

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[4.1 Regression] tree-ssa-  |[4.1 Regression] Don't
                   |alias creates a new virtual |remove the old HEAP virtual
                   |variable for malloc each    |variables in clobbered
                   |time may_alias is run (HEAP)|


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23382