//@ known-bug: #127742
struct Vtable(dyn Cap); // missing lifetime
trait Cap<'a> {}
union Transmute {
t: u64, // ICEs with u64, u128, or usize. Correctly errors with u32.
u: &'static Vtable,
}
const G: &'static Vtable = unsafe { Transmute { t: 1 }.u };