17 return Rec { c8:0, t:Tag::TagInner(0) };
20 fn is_u64_aligned(u: &Tag) -> bool {
21 let p: usize = unsafe { mem::transmute(u) };
22 let u64_align = std::mem::min_align_of::<u64>();
23 return (p & (u64_align - 1)) == 0;
28 assert!(is_u64_aligned(&x.t));