https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95137
--- Comment #21 from Iain Sandoe <iains at gcc dot gnu.org> --- (In reply to Rafael Avila de Espindola from comment #20) > The attached testcase also fails with just -fsanitize=undefined. I have > tested with gcc version > > gcc (GCC) 10.1.1 20200507 (Red Hat 10.1.1-1) thanks Rafael, I confirm this is repeatable for me on both master and 10.1 (and, also that patches in my queue fix it for at least master [on Darwin]) doing some wider testing now.