[lworld] RFR: 8271017: [lworld] Implement withfield changes from JDK-8269408 on AArch64

[Nick Gasson]

On Thu, 22 Jul 2021 19:37:27 GMT, Frederic Parain <fparain at openjdk.org> wrote:

>> This just applies the changes in JDK-8269408 to the AArch64 port.
>> 
>> The old `InterpreterRuntime::withfield()` is removed as it has no more users, and I've renamed withfield2 to withfield (presumably this was the original intention?).
>
> Changes look good to me.
> Thank you for the cleanup in interpreterRuntime.cpp.
> 
> Fred

Thanks @fparain!

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PR: https://git.openjdk.java.net/valhalla/pull/492