RFR: 8336389: Infinite loop occurs while resolving lookups [v5]

[Kevin Rushforth]

On Mon, 22 Jul 2024 20:46:08 GMT, John Hendrikx <jhendrikx at openjdk.org> wrote:

>> Fixes an infinite loop that can occur while resolving lookups.
>> 
>> There were 2 bugs:
>> - A `contains` check was done on some value X, but then a value Y was added to the set used to track duplicates
>> - The `Set` to track duplicates was cleared in some recursive calls, meaning that the caller (which may be processing multiple values in a loop) would end up with an empty set, losing track of what was visited so far
>> 
>> Also removed a redundant `null` check (an NPE would have occurred before it could reach that code).
>
> John Hendrikx has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Add lines I forgot to commit

I see the ready label on this PR, but GitHub has noted a merge conflict. I'll see if adding this comment (with a redundant Skara command) causes Skara to wake up and notice. Either way, it might be good to merge the latest master into this PR branch.

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PR Comment: https://git.openjdk.org/jfx/pull/1505#issuecomment-2250485819