http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58464
GGanesh <Ganesh.Gopalasubramanian at amd dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |Ganesh.Gopalasubramanian@am | |d.com --- Comment #9 from GGanesh <Ganesh.Gopalasubramanian at amd dot com> --- Seems the fix is regressing rnflow of pb11. Runtime log of rnflow Before revision 202826 0:35.558 -> Completed program execution After revision 202826 (after fix) 0:53.023 -> Completed program execution The suse polyhedron benchmark log also shows this (after sep23). http://gcc.opensuse.org/c++bench/polyhedron/polyhedron-summary.txt