hg: jdk8/tl/jdk: 8015978: Incorrect transformation of XPath expression "string(-0)"

[sean.coffey at oracle.com]

Changeset: 45a3584bfacf
Author:    coffeys
Date:      2013-06-14 15:14 +0400
URL:       http://hg.openjdk.java.net/jdk8/tl/jdk/rev/45a3584bfacf

8015978: Incorrect transformation of XPath expression "string(-0)"
Reviewed-by: darcy, joehw
Contributed-by: aleksej.efimov at oracle.com

+ test/javax/xml/jaxp/XPath/8015978/XPathNegativeZero.java
+ test/javax/xml/jaxp/XPath/8015978/dummy.xml
+ test/javax/xml/jaxp/XPath/8015978/negativezero.xsl