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

[Frederic Parain]

On Wed, 14 Jan 2026 18:46:30 GMT, Dan Heidinga <heidinga 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

Thanks @DanHeidinga @coleenp for your reviews.

-------------

PR Comment: https://git.openjdk.org/valhalla/pull/1905#issuecomment-3773863373