RFR: 8210065: ZGC: Remove mode for treating weaks as strong

[Erik Österlund]

Hi Per,

Thanks for the review.

/Erik

On 2018-08-29 08:37, Per Liden wrote:
> On 08/28/2018 02:39 PM, Erik Österlund wrote:
>> Hi,
>>
>> In ZGC, the root processor has a mode for supporting treating weaks 
>> as strong. This makes no sense to use for a user as it only 
>> introduces memory leaks. We have supported it anyway because it was a 
>> neat debugging tool while implementing concurrent reference 
>> processing. But now it seems like it is time for this option to 
>> retire, as it makes the root scanning code unnecessarily complicated 
>> and bug prone.
>>
>> Webrev:
>> http://cr.openjdk.java.net/~eosterlund/8210065/webrev.00/
>
> Looks good!
>
> /Per
>
>>
>> Bug:
>> https://bugs.openjdk.java.net/browse/JDK-8210065
>>
>> Thanks,
>> /Erik