RFR 8200215: 17th loop of "let foo = ''"; throws ReferenceError

[Hannes Wallnöfer]

The new ScriptObject.declareAndSet method is almost identical, so the existing one could be rewritten to make use of the new one. 

Otherwise looks good.

Hannes


> Am 26.03.2018 um 14:00 schrieb Sundararajan Athijegannathan <sundararajan.athijegannathan at oracle.com>:
> 
> Please review http://cr.openjdk.java.net/~sundar/8200215/webrev.00/
> Bug: https://bugs.openjdk.java.net/browse/JDK-8200215
> 
> Thanks,
> -Sundar