java.lang.RuntimeException: test/script/basic/es6/super.js#34:8<eval>:1:10 ES6 super keyword is not yet implemented
({ meth() { x = super.x } })
          ^
java.lang.RuntimeException: test/script/basic/es6/super.js#34:8<eval>:1:10 ES6 super keyword is not yet implemented
({ meth() { x = super.x() } })
          ^
java.lang.RuntimeException: test/script/basic/es6/super.js#34:8<eval>:1:10 ES6 super keyword is not yet implemented
({ meth() { x = super['x'] } })
          ^