RFR 8072595: nashorn should not use obj.getClass() for null checks

[A. Sundararajan]

Updated it http://cr.openjdk.java.net/~sundar/8072595/webrev.01/

Thanks,
-Sundar

On Thursday 05 February 2015 02:24 PM, Attila Szegedi wrote:
> Object.requireNonNull JavaDoc suggests that when it's used for constructor parameter validation it's used as the RHS of field assignments. So instead of
>
>    Objects.requireNonNull(clazz);
>    this.clazz = clazz;
>
> use
>
>    this.clazz = Objects.requireNonNull(clazz);
>
> Obviously, this is no big deal, but the fact that requireNonNull returns its argument could be leveraged.
>
> Attila.
>
> On Feb 5, 2015, at 9:25 AM, A. Sundararajan <sundararajan.athijegannathan at oracle.com> wrote:
>
>> Please review http://cr.openjdk.java.net/~sundar/8072595/ for https://bugs.openjdk.java.net/browse/JDK-8072595
>>
>> See also: http://cr.openjdk.java.net/~shade/scratch/NullChecks.java
>>
>> PS. Piggybacking a script engine test (which fails in 8u31 but passes in 8u40 - not sure if we had a test to cover it and hence adding it) and couple of minor issues with sample code as well.
>>
>> Thanks,
>> -Sundar