[Bug tree-optimization/69776] [4.9/5 Regression] Wrong optimization with aliasing

[ch3root at openwall dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69776

--- Comment #12 from Alexander Cherepanov <ch3root at openwall dot com> ---
Seems to be fixed, thanks! I've tried several variations, ok too.