hg: nashorn/jdk8/nashorn: 8025163: Date methods should not return -0

[hannes.wallnoefer at oracle.com]

Changeset: b8d9a63578e2
Author:    hannesw
Date:      2013-09-21 10:11 +0200
URL:       http://hg.openjdk.java.net/nashorn/jdk8/nashorn/rev/b8d9a63578e2

8025163: Date methods should not return -0
Reviewed-by: lagergren, jlaskey

! src/jdk/nashorn/internal/objects/NativeDate.java
+ test/script/basic/JDK-8025163.js
+ test/script/basic/JDK-8025163.js.EXPECTED