https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69175
ktkachov at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |segher at kernel dot crashing.org --- Comment #6 from ktkachov at gcc dot gnu.org --- Started with r227775. I'm not sure if that commit is the cause of this or just uncovered a latent bug. I think it has something to do with the recorded edge information on the basic blocks