[Bug tree-optimization/69326] [6 Regression] wrong code at -O2 and -O3 on x86_64-linux-gnu

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69326

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Started with r232361.