[Bug sanitizer/84508] Load of misaligned address using _mm_load_sd

[glisse at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84508

--- Comment #7 from Marc Glisse <glisse at gcc dot gnu.org> ---
Unless vectors count as aggregates (more or less), in which case we can ignore
my previous comment.