RFR: 8017478 Kitchensink crashed with SIGSEGV in BaselineReporter::diff_callsites

[Karen Kinnear]

Looks good. 

thanks,
Karen

On Jun 24, 2013, at 12:04 PM, Zhengyu Gu wrote:

> This is a fix for null pointers that are not carefully dealt with. Added assertions to prevent it from happening again.
> 
> 
> External bug: Not available.
> JBS: https://jbs.oracle.com/bugs/browse/JDK-8017478 
> Webrev: http://cr.openjdk.java.net/~zgu/8017478/webrev.00/
> 
> 
> Thanks,
> 
> -Zhengyu