https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85574
--- Comment #15 from Richard Biener <rguenth at gcc dot gnu.org> --- Created attachment 45278 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45278&action=edit patch for the ICF issue Conveniently the congruence_classes have a UID. So the attached sorts after that before traversing / splitting. So testing the attached.