{"ast_node_type":"other","tokens":[{"end":92,"kind":"keyword","start":0,"text":"Some(GlobalAlloc::Function"}]}
            Some(GlobalAlloc::Function { instance, .. }) => write!(w, " (fn: {instance})")?,
            None => write!(w, " (deallocated)")?,
            Some(GlobalAlloc::VTable(ty, dyn_ty)) => {