RFR: 8365203: defineClass with direct buffer can cause use-after-free [v2]

[Per Minborg]

On Wed, 27 Aug 2025 06:49:39 GMT, Jaikiran Pai <jpai at openjdk.org> wrote:

> It would be good to run this change and the test in our CI once to be sure nothing unexpected fails.

Thanks for the heads up on CI. It passes tier1-3. Thanks for the reviews!

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PR Comment: https://git.openjdk.org/jdk/pull/26724#issuecomment-3227499921