RFR: 8370943: Support heap expansion during startup in Serial and Parallel

Thu Oct 30 20:29:27 UTC 2025

On Thu, 30 Oct 2025 11:41:20 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

> Add heap expansion logic in allocation slow-path during startup. Some asserts are relaxed to be used by java-threads and outside of safepoint.
> 
> Test: tier1-5

Looks good. Thanks for fixing.

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Marked as reviewed by eosterlund (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/28059#pullrequestreview-3401509291