binaryen-sys 0.13.0

(module
  (start $start)

  (func $start (export "start")
    (drop
      (i32.const 1)
    )
  )

  (func $user (export "user")
    ;; These calls must go to the function $start here (with body "1").
    (call $start)
    (call $start)
  )
)