https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71667
alahay01 at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- Assignee|unassigned at gcc dot gnu.org |alahay01 at gcc dot gnu.org --- Comment #3 from alahay01 at gcc dot gnu.org --- "-g" is the important thing here. A statement has been marked live, and a use of it outside the loop is a DEBUG stmt. vectorizable_live_operation fails trying to treat the DEBUG stmt as a phi.