[Bug rtl-optimization/68321] [5/6 Regression] wrong code at -O3 on x86_64-linux-gnu (in 64-bit mode)

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68321

--- Comment #4 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
So in fact started with r211725.