{"ast_node_type":"other","tokens":[{"end":86,"kind":"keyword","start":0,"text":"func:"}]}
                func: Operand::function_handle(tcx, drop_fn_def_id, trait_args, span),
            TerminatorKind::Call {
                args: [Spanned { node: Operand::Move(drop_arg), span: DUMMY_SP }].into(),