RFR: 8339341: SurfaceManager cacheMap retains strong references [v2]

[Nikita Gubarkov]

On Fri, 6 Sep 2024 16:13:31 GMT, Sergey Bylokhov <serb at openjdk.org> wrote:

>> Nikita Gubarkov has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains one commit:
>> 
>>   8339341: Make SurfaceDataProxy cache a separate entity.
>>   
>>   Now caching level is determined by placement of the SurfaceManager.ProxyCache object instead of a "proxy key". This cache "owns" proxies and therefore strong refs via them do not prevent the cache (and hence GraphicsConfig) from being detected as weakly reachable.
>
> If possible please add the "steps to reproduce" to the JBS issue.

@mrserb added steps and attached a test file.

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PR Comment: https://git.openjdk.org/jdk/pull/20825#issuecomment-2340788910