https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112320
--- Comment #2 from David Binderman <dcb314 at hotmail dot com> --- As expected: $ git bisect good 1cf5dc05c678232b e3da1d7bb288c8c864f0284bc4bc5877b466a2f7 is the first bad commit commit e3da1d7bb288c8c864f0284bc4bc5877b466a2f7 Author: Richard Biener <rguent...@suse.de> Date: Tue Oct 31 10:13:13 2023 +0100 tree-optimization/112305 - SCEV cprop and conditional undefined overflow