https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116055
--- Comment #5 from Thomas Schwinge <tschwinge at gcc dot gnu.org> --- (In reply to Jan Hubicka from comment #4) > * ipa-modref.cc (analyze_function): Do not ICE when flags regress. > Does it help? Yes, confirming this does resolve the issue for GCN.