RFR: 8358003: KlassTrainingData initializer reads garbage holder

[Igor Veresov]

On Tue, 3 Jun 2025 17:36:13 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.

It seems like we don't need these release_stores either since the constructor is always run under a lock.
I'll run some testing.

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PR Comment: https://git.openjdk.org/jdk/pull/25623#issuecomment-2937211273