https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101250
--- Comment #1 from luoxhu at gcc dot gnu.org --- Patch posted: [PATCH] ivopts: Don't adjust IV update statement if both operands use the IV in COND [PR101250] https://gcc.gnu.org/pipermail/gcc-patches/2021-June/573894.html