java.lang.RuntimeException: test/nashorn/script/basic/es6/generator.js#34:6<eval>:1:17 ES6 generator is not yet implemented
function* func() { yield 1; }
                 ^
java.lang.RuntimeException: test/nashorn/script/basic/es6/generator.js#34:6<eval>:1:23 ES6 generator is not yet implemented
({ * generatorMethod() { yield 1; } })
                       ^
java.lang.RuntimeException: test/nashorn/script/basic/es6/generator.js#34:6<eval>:1:23 ES6 generator is not yet implemented
var func = function*() { yield 1; }
                       ^