[lworld] RFR: 8373930: [lworld] Restore Objects.equals use of identity check [v2]

[Roger Riggs]

On Thu, 8 Jan 2026 15:57:28 GMT, Ryan Hallock <duke at openjdk.org> wrote:

>> Roger Riggs has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains three additional commits since the last revision:
>> 
>>  - Reverted to remove the no longer unnecessary @ForceInline.
>>    Update copyright.
>>  - Merge branch 'lworld' into 8373930-objects-equals-revert
>>  - Restore the mainline implementation of Objects.equal
>>    removing the condition on --enable-preview.
>>    Correct the .equals method of SimplValueGraphs.SimpleValue.
>>    Revert "8366841: [lworld] Objects.equals without identity comparison"
>
> src/java.base/share/classes/java/util/Objects.java line 62:
> 
>> 60:      * @see Object#equals(Object)
>> 61:      */
>> 62:     @ForceInline
> 
> Is this still required? I thought the reasoning behind 8368884: https://github.com/openjdk/valhalla/pull/1643 was that equals was too large.

Right, reverting also would remove the @ForceInline.

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PR Review Comment: https://git.openjdk.org/valhalla/pull/1836#discussion_r2677674174