RFR: 8011760 assert(delta != 0) failed: dup pointer in MemBaseline::malloc_sort_by_addr

[Zhengyu Gu]

Thanks a lot.

-Zhengyu

On Jul 9, 2013, at 1:29 PM, Karen Kinnear wrote:

> Fix looks good for hs25 and hs24. Glad you were able to reproduce.
> 
> thanks,
> Karen
> 
> On Jul 8, 2013, at 1:23 PM, Zhengyu Gu wrote:
> 
>> This is a simple fix to qsort's comparison function. The bug is related to libc version, it only happens on Linux 32 bit with certain versions of libc. The one I used to reproduce, is libc-2.11.1.so. 
>> 
>> Most of qsort algorithms do not compare element to itself, but apparently it is not the case with certain version of Linux 32 libc implementation.
>> 
>> 
>> JBS:   https://jbs.oracle.com/bugs/browse/JDK-8011760
>> Public bug: not available
>> Webrev:  http://cr.openjdk.java.net/~zgu/8011760/webrev.00/
>> 
>> 
>> Thanks,
>> 
>> -Zhengyu
>