https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80079
ktkachov at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |ktkachov at gcc dot gnu.org --- Comment #3 from ktkachov at gcc dot gnu.org --- I think that's when terminate_and_process_all_chains is called without any chains having been detected. m_stores_head will not have a sensible value. Returning early from terminate_and_process_all_chains if m_stores is empty seems like a quick fix for this