RFR (S) 8164692: InstanceKlass::_previous_version_count goes negative

[Coleen Phillimore]

On 8/30/16 8:43 PM, serguei.spitsyn at oracle.com wrote:
> Coleen,
>
> It looks good, nice catch.
> The lines 3403 and 3571 are too long.

Okay, I'll split them.
Thanks Serguei,
Coleen
>
> Thanks,
> Serguei
>
>
> On 8/30/16 13:49, Coleen Phillimore wrote:
>> Summary: decrement previous_version_count when it's removed from the 
>> list.
>>
>> The previous_version_count was decremented in the wrong place. This 
>> contributed to the bug that Dean's just sent out the RFR and the fix 
>> is essentially contributed by Dean.
>>
>> Ran jdk/test/java/lang/instrument, and internal closed (colocated and 
>> non-colocated) redefinition tests.
>>
>> open webrev at http://cr.openjdk.java.net/~coleenp/8164692.01/webrev
>> bug link https://bugs.openjdk.java.net/browse/JDK-8164692
>>
>>
>> Thanks,
>> Coleen
>