Function issue_9714

tests/all/structs.rs:881–912

(config: &mut Config)

#[wasmtime_test(wasm_features(function_references, gc))]
#[cfg_attr(miri, ignore)]
fn issue_9714(config: &mut Config) -> Result<()> {
    let engine = Engine::new(config)?;

    let module = Module::new(
        &engine,
        r#"
            (module
              (rec (type $a (struct))
                   (type $b (struct)))
              (rec (type $c (struct)))

              (func (export "fa") (result (ref null $a)) unreachable)
              (func (export "fb") (result (ref null $b)) unreachable)
              (func (export "fc") (result (ref null $c)) unreachable)
            )
        "#,
    )?;

    let mut store = Store::new(&engine, ());

    for exp in module.exports() {
        let res_ty = exp.ty().unwrap_func().result(0).unwrap();
        let struct_ty = res_ty
            .unwrap_ref()
            .heap_type()
            .unwrap_concrete_struct()
            .clone();
        let _ = StructRefPre::new(&mut store, struct_ty);
    }

    Ok(())
}

#[test]
#[cfg_attr(miri, ignore)]