[Bug sanitizer/107431] UBSan has inconsistent behaviors in certain code snippet

[shaohua.li at inf dot ethz.ch via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107431

--- Comment #2 from Li Shaohua <shaohua.li at inf dot ethz.ch> ---
Thanks a lot for the prompt reply!