(module
 (type $none_=>_i32 (func (result i32)))
 (type $none_=>_funcref (func (result funcref)))
 (func $0 (; 0 ;) (result i32)
  (i32.const 0)
 )
 (func $test (; 1 ;) (result funcref)
  (ref.func $0)
 )
)