RFR: 8358003: KlassTrainingData initializer reads garbage holder [v4]

[Igor Veresov]

On Wed, 4 Jun 2025 08:46:11 GMT, Igor Veresov <iveresov at openjdk.org> wrote:

>> Simplify KlassTrainingData constructor. The lines in question come from the old pre-CDS world. They are not needed anymore.
>
> Igor Veresov has updated the pull request incrementally with one additional commit since the last revision:
> 
>   More changes

I kind of need to push it today before the fork. Let's try making changes to this minimal. I'm also fine reverting back to before @coleenp suggested OopStorage. And we can address the remaining concerns later.

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PR Comment: https://git.openjdk.org/jdk/pull/25623#issuecomment-2939386000