https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94042
--- Comment #16 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Martin Liška from comment #15) > Started with r10-6919-gf3ce088645e5305d932380c7520809181b2d2eb9. This should just change the costs of the register usage. Which means it might be a latent bug before this patch.