{"ast_node_type":"other","tokens":[{"end":49,"kind":"keyword","start":0,"text":"ty::InstanceKind::VTableShim(def_id)"}]}
        ty::InstanceKind::VTableShim(def_id) => {
        ty::InstanceKind::Item(..) => bug!("item {:?} passed to make_shim", instance),
            let adjustment = Adjustment::Deref { source: DerefSource::MutPtr };