RFR: 8264489: Add more logging to LargeCopyWithMark.java

[Kim Barrett]

On Wed, 31 Mar 2021 06:56:23 GMT, Stefan Karlsson <stefank at openjdk.org> wrote:

> Add more logging to the LargeCopyWithMark.java test, to gather more information when this test fails with OOME. 
> 
> The intention is to gather more info for JDK-8239089.
> 
> I consider this patch trivial, and expect to push it after I've gotten one Review.

Looks good, and trivial.

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Marked as reviewed by kbarrett (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/3282