[lworld] RFR: 8280164: [lworld] Generate Preload attribute to enumerate value classes encountered [v2]

[Aggelos Biboudis]

On Wed, 19 Jan 2022 14:17:48 GMT, Srikanth Adayapalam <sadayapalam at openjdk.org> wrote:

>> Modelled after InnerClasses attribute generation, we may be generating more information than necessary/useful but this is initial cut
>
> Srikanth Adayapalam has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Address review comments ( Aggelos + self)

I was doing `javap -v valhalla/test/langtools/tools/javac/valhalla/value-objects/PreloadAttributeTest$X` without the `` so it was just `PreloadAttributeTest` effectively in the javap command 👍 👍 

All good then 💯

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PR: https://git.openjdk.java.net/valhalla/pull/605