https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111545
--- Comment #4 from JuzheZhong <juzhe.zhong at rivai dot ai> --- Confirm this is the latent bug in VSETVL PASS which is already existed for a long time. Lehua is working on refactoring Phase 1 and Phase 2 of VSETVL PASS which will fix all potential issues of VSETVL PASS.