RFR (JAXP) 8176405 : Catalog circular reference check did not work in certain scenarios

[Lance Andersen]

Hi Joe,

The current version, including our offline discussion, looks good.

> On Mar 17, 2017, at 4:22 PM, huizhe wang <huizhe.wang at oracle.com> wrote:
> 
> Hi,
> 
> Please review a fix to the circular reference check that incorrectly treated duplicate entries as circular.
> 
> JBS: https://bugs.openjdk.java.net/browse/JDK-8176405
> Webrev: http://cr.openjdk.java.net/~joehw/jdk9/8176405/webrev/
> 
> Thanks,
> Joe
> 

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 <http://oracle.com/us/design/oracle-email-sig-198324.gif>Lance Andersen| Principal Member of Technical Staff | +1.781.442.2037
Oracle Java Engineering 
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