https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79405
Steven Bosscher <steven at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |WAITING CC| |rsandifo at gcc dot gnu.org --- Comment #17 from Steven Bosscher <steven at gcc dot gnu.org> --- https://gcc.gnu.org/pipermail/gcc-patches/2020-November/558946.html: "Also, the old version didn't naturally guarantee termination (PR79405), whereas the new one does." So, I'm guessing the RTL SSA fwprop fixed this?