https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114403
--- Comment #15 from Richard Biener <rguenth at gcc dot gnu.org> --- The valgrind output might be because we vectorize the loads a[i], a[i+8], ... as full vector loads at a[i], a[i+8] but the last we access as scalar. So the uninit load might be harmless.
