Integrated: 8271242: Add Arena regression tests

[Thomas Stuefe]

On Tue, 27 Jul 2021 06:06:40 GMT, Thomas Stuefe <stuefe at openjdk.org> wrote:

> May I please have reviews for these test additions. These are new regression tests for hotspot arenas. We don't have any and it makes sense to have them since this code is fragile and we work on it.
> 
> It also contains some new gtest utility functions which I will use to consolidate some more test coding, mainly in the metaspace gtests (in a future rfe).
> 
> It also comes with a new jtreg gtest launcher for arena tests to test UseMallocOnly mode. As long as we support that, we should test it.
> 
> ---
> 
> tests: 
> - gtests, manually with 32/64 bit and with/without UseMallocOnly
> - GHAs

This pull request has now been integrated.

Changeset: cd7e30ef
Author:    Thomas Stuefe <stuefe at openjdk.org>
URL:       https://git.openjdk.java.net/jdk/commit/cd7e30ef84165722c2128471231b6000b1c46fb8
Stats:     465 lines in 4 files changed: 465 ins; 0 del; 0 mod

8271242: Add Arena regression tests

Reviewed-by: mseledtsov, coleenp

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PR: https://git.openjdk.java.net/jdk/pull/4909