{"ast_node_type":"variable","tokens":[{"end":72,"kind":"keyword","start":0,"text":"let"}]}
        let (repr, align) = if repr_packed && !count.is_power_of_two() {
            elt.size.checked_mul(count, dl).ok_or_else(|| LayoutCalculatorError::SizeOverflow)?;
            // Non-power-of-two vectors have padding up to the next power-of-two.