https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107569
--- Comment #19 from Aldy Hernandez <aldyh at gcc dot gnu.org> --- (In reply to Jakub Jelinek from comment #18) > Ok, just so that I don't just kibbitz/review frange stuff but also try to do > something, here is my so far untested attempt at normal multiplication > fold_range (not the x * x stuff discussed elsewhere): Looking good! Thanks for tackling the hardest of them all.