RFR: 8320836: jtreg gtest runs should limit heap size

[David Holmes]

On Fri, 25 Jul 2025 02:57:57 GMT, SendaoYan <syan 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.
>
> test/hotspot/jtreg/gtest/GTestWrapper.java line 85:
> 
>> 83:         command.add("-jdk");
>> 84:         command.add(Utils.TEST_JDK);
>> 85:         command.add("-Xmx200m");
> 
> Should we need to update the copyright year.

Yes please

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PR Review Comment: https://git.openjdk.org/jdk/pull/26454#discussion_r2230135568