[Bug tree-optimization/70130] [6 Regression] h264ref fails with verification error starting with r231674

[wschmidt at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70130

--- Comment #18 from Bill Schmidt <wschmidt at gcc dot gnu.org> ---
Never mind, it would get zero initialization, and specifying that directly
doesn't help.