[Bug tree-optimization/79088] [7 Regression] wrong code at -O2 on x86_64-linux-gnu

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79088

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Boostrapped/tested on x86_64-unknown-linux-gnu.