RFR: 8365184: sun/tools/jhsdb/HeapDumpTestWithActiveProcess.java Re-enable SerialGC flag on debuggee process

[duke]

On Sat, 9 Aug 2025 03:27:26 GMT, Ramkumar Sunderbabu <rsunderbabu at openjdk.org> wrote:

> VM argument UseSerialGC was not allowed while launching the debuggee process due to classloader related issue (JDK-8313655). During the effort to improve the test's handling of the issue, it was observed that SerialGC doesn't cause any issue any more. This could possibly due to improved handling of ClassLoaderData or SerialGC.
> After extensively testing the argument in various platforms and for many iterations, it was decided to allow the argument here on.
> 
> Testing: Tiers1,2,3 and other ties where the test runs.

@rsunderbabu 
Your change (at version 93b4cbefde03500f53f53516ede6b31650b31118) is now ready to be sponsored by a Committer.

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PR Comment: https://git.openjdk.org/jdk/pull/26711#issuecomment-3172309271