[Bug rtl-optimization/92656] The zero_extend insn can't be eliminated in the combine pass

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92656

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Hmm, this comes from coremarks (what a bad benchmark).