{"ast_node_type":"other","tokens":[{"end":99,"kind":"keyword","start":0,"text":"//"}]}
        // then dispatches that to the normal call machinery. However, our call machinery currently
        // Codegen creates an `InstanceKind::Virtual` with index 0 (the slot of the drop method) and
        // only supports calling `VtblEntry::Method`; it would choke on a `MetadataDropInPlace`. So