[foreign] RFR 8216268: duplicate declaration handler has to be a tree visitor

[Sundararajan Athijegannathan]

Please review.

Updated webrev: 
https://cr.openjdk.java.net/~sundar/8216268/webrev.01/index.html

PS. Updated it for the recent class loading changes in the test framework.

-Sundar

On 07/01/19, 7:09 PM, Sundararajan Athijegannathan wrote:
> Please review.
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-8216268
> Webrev: https://cr.openjdk.java.net/~sundar/8216268/webrev.00/index.html
>
> Thanks
> -Sundar