RFR: 8325503: Add GC specific prefix for CheckForUnmarked related classes

[Albert Mingkun Yang]

On Thu, 8 Feb 2024 16:05:57 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

> Add prefix some generic class names used for young-gc card verification.

It's reported on JDK-8325493 that this fixes the failure there.

Thanks for review.

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PR Comment: https://git.openjdk.org/jdk/pull/17774#issuecomment-1938582540