RFR: 8371369: Parallel: Relax precondition of PSOldGen::expand_and_allocate [v2]

[Albert Mingkun Yang]

On Fri, 7 Nov 2025 10:03:01 GMT, Erik Österlund <eosterlund at openjdk.org> wrote:

> If we want to do that, could we do that in a follow-up PR instead? 

Created a followup ticket: https://bugs.openjdk.org/browse/JDK-8371465

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PR Review Comment: https://git.openjdk.org/jdk/pull/28162#discussion_r2502576573