{"ast_node_type":"other","tokens":[{"end":86,"kind":"keyword","start":0,"text":"assert_eq!(fx.bcx.func.dfg.value_type(block_param),"}]}
            assert_eq!(fx.bcx.func.dfg.value_type(block_param), abi_param.value_type);
            let block_param = block_params_iter.next().unwrap();
            block_param