[lworld] RFR: 8375328: [lworld] JNI IsSameObject function doesn't use the alternate substitutability method

[Dan Heidinga]

On Wed, 14 Jan 2026 17:20:04 GMT, Frederic Parain <fparain at openjdk.org> wrote:

> Small fix to align the implementation of JNI function IsSameObject with the implementation of `if_acmp<cond>` in the rest of the JVM.
> 
> Tested locally.
> 
> Fred

looks good

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Marked as reviewed by heidinga (no project role).

PR Review: https://git.openjdk.org/valhalla/pull/1905#pullrequestreview-3662255757