https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123196
--- Comment #3 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot Uni-Bielefeld.DE> --- > --- Comment #2 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot > Uni-Bielefeld.DE> --- >> profile is hard, we tend to remove those scans on testcases where it breaks. >> Unless you want to bisect? Apart from some profile change that look >> unrelated >> there's r16-1624-g6deab186535a5a that looks suspicious. >> >> Can you confirm this causes it? > > I cannot revert that patch cleanly, so I'll bisect. Confirmed: this is the first bad one: commit 6deab186535a5aa9f930e2db637089865d0bc4ff Author: Pengfei Li <[email protected]> Date: Wed Jun 11 15:01:36 2025 +0000 vect: Use combined peeling and versioning for mutually aligned DRs I'm attaching the good and bad dumps.
