Integrated: 8369814: G1: Relax card mark and store ordering

[Albert Mingkun Yang]

On Tue, 14 Oct 2025 09:46:55 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

> This PR removes the card-mark and store ordering constraint. The first commit changes `card_mark_must_follow_store` to `false` and the second commit removes all uses of `card_mark_must_follow_store`, because both the original method and its override are identical, and no GC have such ordering requirement any more.
> 
> Test: tier1-5

This pull request has now been integrated.

Changeset: 0a97bef8
Author:    Albert Mingkun Yang <ayang at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/0a97bef840f8799313a1a55a65d9334e09cc1cf4
Stats:     123 lines in 11 files changed: 0 ins; 120 del; 3 mod

8369814: G1: Relax card mark and store ordering

Reviewed-by: tschatzl, fandreuzzi

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PR: https://git.openjdk.org/jdk/pull/27794