On Fri, 9 Jun 2023 22:08:53 GMT, Andy Goryachev <ango...@openjdk.org> wrote:

> one question: since the JBS talks about memory leak, is it possible to devise 
> a test for that?
> 
> otherwise, looks good.

It's not really a memory leak, the amount of memory that it can take can just 
be quite large in the right circumstances.  Once it has been allocated though, 
it will remain the same and won't grow further.  The test in 
`ImmutablePseudoClassSetsCacheTest` confirms (at a unit level) that it is 
indeed caching sets that are the same. It may be possible to create a higher 
level test as well, similar to the code example in the ticket.

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PR Comment: https://git.openjdk.org/jfx/pull/1076#issuecomment-1585302657

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