[Bug middle-end/110281] wrong code with '-O3'

[19373742 at buaa dot edu.cn via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110281

--- Comment #8 from CTC <19373742 at buaa dot edu.cn> ---
The issue can be reproduced with -O3 -fno-tree-dominator-opts -fno-tree-pre.