(module
  (type $heap-object (sub (struct (field (mut i32)))))
  (type (func (param i32) (result)))
  (type (array (ref null 1)))
  (type (array (ref eq)))
  (func
    (param i32)
    (result)
    (local (ref eq) (ref eq) (ref eq) (ref eq) (ref eq))
    (global.get 2)
    (i32.const 0)
    (local.get 0)
    (array.set 3)
    (i32.const 1)
    (global.get 1)
    (global.get 0)
    (array.get 2)
    ref.as_non_null
    (global.get 0)
    (i32.const 1)
    i32.sub
    (global.set 0)
    (return_call_ref 1))
  (func
    (param)
    (result (ref eq))
    (local (ref eq) (ref eq) (ref eq) (ref eq) (ref eq))
    (ref.func 0)
    (local.set 0)
    (local.get 0))
  (export "main" (func 0)))