[lworld] RFR: 8377353: [lworld] compiler/valhalla/inlinetypes/TestStressReturnBuffering.java OOMs with ZGC and AOT class linking with --enable-preview

[Damon Fenacci]

On Thu, 12 Feb 2026 16:39:35 GMT, Paul Hübner <phubner at openjdk.org> wrote:

>> # Issue
>> 
>> `compiler/valhalla/inlinetypes/TestStressReturnBuffering.java` fails when run with `-XX:+AOTClassLinking -XX:+UseZGC --enable-preview`
>> 
>> # Cause
>> 
>> The test limits the heap size using `-Xmx6m`, which is not always enough to run it with ZGC and AOTClassLinking.
>> 
>> # Fix
>> 
>> Raising the limit a little to `-Xmx10m` fixes the issue (while still forcing frequent garbage collections).
>> 
>> # Testing
>> 
>> Tier 1-3+
>> Failing test before and after
>
> LGTM thanks!

Thanks for your reviews @Arraying @TobiHartmann.

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

PR Comment: https://git.openjdk.org/valhalla/pull/2093#issuecomment-3895515954