https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121454
--- Comment #2 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot Uni-Bielefeld.DE> --- > I suspect this is due to > > commit 53f491ccd1e59fad77fb2cb30d1a58b9e5e5f63c > Author: Richard Biener <rguent...@suse.de> > Date: Wed Aug 6 12:31:13 2025 +0200 > > tree-optimization/121405 - missed VN with aggregate copy > > although I haven't verified that yet. Confirmed: with the patch reverted locally, an i686-pc-linux-gnu bootstrap is into make check now.