[Bug tree-optimization/68083] [6 Regression] wrong code at -O3 on x86_64-linux-gnu

[aoliva at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68083

--- Comment #4 from Alexandre Oliva <aoliva at gcc dot gnu.org> ---
s/ifcvt/ifcombine/ above, sorry