https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72772
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |law at gcc dot gnu.org --- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> --- Most of the fallout is doing more jump-threading. It looks like threading was also confused by the extra degenerate PHIs. The two ICEs are selective scheduling messing up the loop structure somehow.