https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79405
rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|WAITING |RESOLVED Resolution|--- |FIXED --- Comment #18 from rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> --- (In reply to Steven Bosscher from comment #17) > 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? Ah, yeah.