[Bug rtl-optimization/68298] [5/6 Regression] wrong code at -O3 on x86_64-linux-gnu (in 64-bit mode)

[chengniansun at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68298

--- Comment #8 from Chengnian Sun <chengniansun at gmail dot com> ---
Created attachment 37326
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37326&action=edit
compiled with r230270 at -O3