Integrated: CODETOOLS-7903516: work around `this-escape` warnings

Tue Sep 5 20:30:06 UTC 2023

On Tue, 8 Aug 2023 19:13:13 GMT, Jonathan Gibbons <jjg at openjdk.org> wrote:

> Please review changes to make some classes final, to avoid effectively false-positive `this-escape` warnings.

This pull request has now been integrated.

Changeset: 48935be4
Author:    Jonathan Gibbons <jjg at openjdk.org>
URL:       https://git.openjdk.org/jtreg/commit/48935be4685ec5c99b3fe15c10439946944c9f7e
Stats:     10 lines in 8 files changed: 0 ins; 0 del; 10 mod

7903516: work around `this-escape` warnings

Reviewed-by: iris, cstein

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PR: https://git.openjdk.org/jtreg/pull/165