hg: jdk9/dev/nashorn: 8151809: ES6 Map/Set insertion with existing keys changes iteration order

[hannes.wallnoefer at oracle.com]

Changeset: 5f06791d7682
Author:    hannesw
Date:      2016-03-21 11:50 +0100
URL:       http://hg.openjdk.java.net/jdk9/dev/nashorn/rev/5f06791d7682

8151809: ES6 Map/Set insertion with existing keys changes iteration order
Reviewed-by: lagergren, mhaupt

! src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/objects/LinkedMap.java
+ test/script/basic/es6/JDK-8151809.js