RFR: 8320836: jtreg gtest runs should limit heap size

[David Holmes]

On Thu, 24 Jul 2025 08:17:12 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.

Seems okay. Thanks

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Marked as reviewed by dholmes (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/26454#pullrequestreview-3054080369