RFR: 8188055: (ref) Add Reference.refersTo predicate

[Thomas Schatzl]

Hi,

On 08.04.20 02:25, Kim Barrett wrote:
> [Note review on both core-libs and hotspot-gc-dev lists; try not to lose
> either when replying.]
> 
> Please review a new function: java.lang.ref.Reference.refersTo.
> 
[...]
> 
> CR:
> https://bugs.openjdk.java.net/browse/JDK-8188055
> https://bugs.openjdk.java.net/browse/JDK-8241029 (CSR)
> 
> Webrev:
> https://cr.openjdk.java.net/~kbarrett/8188055/open.04/
> 
> Testing:
> mach5 tier1
> 
> Locally (linux-x64) verified the new test passes with various garbage
> collectors.
> 

Lgtm.

Thomas