[Bug tree-optimization/120331] match causes an extra assignment sometimes

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120331

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
I think I have a patch to do this. It undoes the push but only if there is one
statement in the sequence. Though we could extend it later on.