{"ast_node_type":"other","tokens":[{"end":79,"kind":"keyword","start":0,"text":"assert!(!pad_i32,"}]}
            assert!(!pad_i32, "not currently used by wasm calling convention");
            // For wasm, Cast is used for single-field primitive wrappers like `struct Wrapper(i64);`
            assert!(cast.prefix[0].is_none(), "no prefix");