RFR: 8370887: DelayScheduler.replace method may break the 4-ary heap in certain scenarios

[Viktor Klang]

On Sun, 23 Nov 2025 08:08:32 GMT, Alan Bateman <alanb at openjdk.org> wrote:

> DelayScheduler.replace missing check to sift up when replaced with smaller value. checkHeap checks invariants when replacing. Executing tests with make run-test or other targets runs tests with -esa so assume is enabled.
> 
> New regression test to ensure delayed tests executes in expected delay order.

Nice work @AlanBateman & @DougLea 👍

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Marked as reviewed by vklang (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/28469#pullrequestreview-3500764927