{"ast_node_type":"other","tokens":[{"end":99,"kind":"keyword","start":0,"text":"//"}]}
        // only supports calling `VtblEntry::Method`; it would choke on a `MetadataDropInPlace`. So
        // then dispatches that to the normal call machinery. However, our call machinery currently
        // instead we do the virtual call stuff ourselves. It's easier here than in `eval_fn_call`