[lworld] RFR: 8366841 objects equals no acmp

[Chen Liang]

On Sat, 6 Sep 2025 16:42:42 GMT, Roger Riggs <rriggs at openjdk.org> wrote:

> Modify java.util.Objects.equals to avoid acmp (==) when --enable-preview.
> 
> There is a simple bug fix in the SimpleValueGraphs test.

Looks reasonable.

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Marked as reviewed by liach (Committer).

PR Review: https://git.openjdk.org/valhalla/pull/1551#pullrequestreview-3194140533