review for 7103261: crash with jittester on sparc

[Tom Rodriguez]

Thanks Igor and Vladimir.

tom

On Oct 20, 2011, at 5:37 PM, Vladimir Kozlov wrote:

> Good.
> 
> Thanks,
> Vladimir
> 
> Tom Rodriguez wrote:
>> http://cr.openjdk.java.net/~never/7103261
>> 108 lines changed: 107 ins; 0 del; 1 mod; 3376 unchg
>> 7103261: crash with jittester on sparc
>> Summary:
>> Reviewed-by:
>> The changes for 6985015 rearranged the logic for recording implicit
>> exceptions but save the offset of the faulting instruction twice
>> instead of just for the first one.  This means the implicit exception
>> is in on the second instruction instead of the first.  The original
>> test was very complicated so I wrote a simpler one that exercises all
>> the implicit null for fields.