RFR: 8320836: jtreg gtest runs should limit heap size [v2]

[David Holmes]

On Fri, 25 Jul 2025 05:07:42 GMT, Thomas Stuefe <stuefe at openjdk.org> wrote:

>> Trivial fix to limit Java heap size when running the gtests. Otherwise, we run with an unknown malloc load (since GC structures, preallocated, may be very large), and not all tests like that.
>
> Thomas Stuefe has updated the pull request incrementally with one additional commit since the last revision:
> 
>   copyrights

Marked as reviewed by dholmes (Reviewer).

-------------

PR Review: https://git.openjdk.org/jdk/pull/26454#pullrequestreview-3054103202