(module
 (type $cont (func (param i32)))
 (type $cont-stack-type (array (ref null $cont)))
 (global $cont-stack (ref $cont-stack-type)
         (array.new_default $cont-stack-type (i32.const 128)))
 (func (export "main") (result (ref eq))
       (ref.i31 (i32.const 123))))