hg: jdk/submit: 8230709: Array index out of bounds in ES6 mode

[hannes.wallnoefer at oracle.com]

Changeset: 336687518f92
Author:    hannesw
Date:      2019-09-10 15:35 +0200
URL:       https://hg.openjdk.java.net/jdk/submit/rev/336687518f92

8230709: Array index out of bounds in ES6 mode
Reviewed-by: attila

! src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/ir/LexicalContext.java
+ test/nashorn/script/basic/es6/JDK-8230709.js