https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111010
--- Comment #3 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot Uni-Bielefeld.DE> --- I've just completed a reghunt which identified commit 4e0b504f26f78ff02e80ad98ebbf8ded3aa6ffa1 Author: Richard Biener <rguent...@suse.de> Date: Tue Jan 10 13:48:51 2023 +0100 tree-optimization/106293 - missed DSE with virtual LC PHI as the culprit.