RFR 8210856: Move InstanceKlass DependencyContext cleaning to SystemDictionary::do_unloading()

[coleen.phillimore at oracle.com]

Thanks Vladimir,
Coleen

On 9/26/18 10:38 AM, Vladimir Ivanov wrote:
> Looks good.
>
> Best regards,
> Vladimir Ivanov
>
> On 21/09/2018 08:45, coleen.phillimore at oracle.com wrote:
>> Summary: Already walk classes in ClassLoaderData::unload so 
>> generalize to also clean nmethod dependencies.
>>
>> The nmethod dependencies should be cleaned before metadata is purged. 
>> See bug for more details.
>>
>> open webrev at http://cr.openjdk.java.net/~coleenp/8210856.01/webrev
>> bug link https://bugs.openjdk.java.net/browse/JDK-8210856
>>
>> Tested with hs tier1-7, modified gtest, and 
>> compiler/codecache/stress/RandomAllocationTest.java from bug 
>> https://bugs.openjdk.java.net/browse/JDK-8143408.
>>
>> Thanks,
>> Coleen
>>
>>