hg: nashorn/jdk8/nashorn: 8025589: Array.prototype.shift should only copy defined elements in generic mode

[hannes.wallnoefer at oracle.com]

Changeset: efc40aacaee4
Author:    hannesw
Date:      2013-09-30 15:54 +0200
URL:       http://hg.openjdk.java.net/nashorn/jdk8/nashorn/rev/efc40aacaee4

8025589: Array.prototype.shift should only copy defined elements in generic mode
Reviewed-by: sundar, attila

! src/jdk/nashorn/internal/objects/NativeArray.java
+ test/script/basic/JDK-8025589.js