https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119607
--- Comment #8 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to Sam James from comment #7)
> It doesn't, but neither does -fdisable-rtl-fwprop{1,2}, so let me check
> again.
maybe -fno-ipa-ra pushes the first difference after RA, matching the bisection
then?
