https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103063
--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Oops, no, the a - 6 is there just to confuse me, it does nothing and can be safely dropped (I didn't like it before the loop, misread it and made it for (a = -6; a >= -13; a = a - 8)).
