RFR(S): 8251918: [Graal] Crash in DumpTimeSharedClassInfo::add_verification_constraint

calvin.cheung at oracle.com calvin.cheung at oracle.com
Fri Aug 21 20:29:40 UTC 2020


Thanks, Yumin!

On 8/21/20 11:51 AM, Yumin Qi wrote:
> Hi, Calvin
>
>   Looks good.
>
>
> Thanks
>
> Yumin
>
> On 8/21/20 11:22 AM, calvin.cheung at oracle.com wrote:
>> bug: https://bugs.openjdk.java.net/browse/JDK-8251918
>>
>> webrev: http://cr.openjdk.java.net/~ccheung/jdk16/8251918/webrev.00/
>>
>> After the fix for JDK-8247529, the 
>> SystemDictionaryShared::find_or_allocate_info_for(InstanceKlass* k) 
>> could return NULL if dynamic CDS dump is in progress.
>>
>> The proposed fix is to do a NULL check on the return value of 
>> SystemDictionaryShared::find_or_allocate_info_for().
>>
>> Testing: Tier1 - 4, hs-tier4-graal, hs-tier8-graal
>>
>> thanks,
>>
>> Calvin
>>


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