RFR: 8256106: Bypass intrinsic/barrier when calling Reference.get() from Finalizer [v3]

[Roman Kennke]

On Wed, 11 Nov 2020 18:19:01 GMT, Mandy Chung <mchung at openjdk.org> wrote:

>> Roman Kennke has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Rename inactive-getter and improve javadocs
>
> src/java.base/share/classes/java/lang/ref/Reference.java line 356:
> 
>> 354:      */
>> 355:     T getInactive() {
>> 356:         return this.referent;
> 
> It would be good to add `assert this instanceof FinalReference` to make this assertion clear.

Right. And maybe also assert that the Reference is indeed inactive. I'll open a new issue for that (I already integrated this one, sorry I kinda jumped the gun a little.)

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PR: https://git.openjdk.java.net/jdk/pull/1140