https://gcc.gnu.org/bugzilla/show_bug.cgi?id=27109
--- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Another testcase which shows up via the autovectorizer aliasing checks int g(unsigned int a) { if (a == 0) __builtin_unreachable(); unsigned int t = a; a += -1; return a > 3u; }