RFR (xs) 8151728: jni test crashes JVM assert(_handle != __null) failed: resolving NULL handle

[Coleen Phillimore]

Thanks for reviewing this so quickly, Harold.  I'll wait a little and 
check it in under the "trivial change rule".
Coleen

On 3/11/16 4:12 PM, harold seigel wrote:
> Looks good.
>
> Harold
>
> On 3/11/2016 4:09 PM, Coleen Phillimore wrote:
>> Summary: New assert needs to check for null.
>>
>> If there's an OOM during Throwable.backtrace creation, the backtrace 
>> can be null, so the BacktraceIterator() checks for null, but the 
>> assert I added didn't.
>>
>> Retested on failing test, Throwable tests and instrumented VM to 
>> force this (removed instrumentation).
>>
>> open webrev at http://cr.openjdk.java.net/~coleenp/8151728/webrev
>> bug link https://bugs.openjdk.java.net/browse/JDK-8151728
>>
>> Thanks,
>> Coleen
>>
>