RFR: 8353835: Implement JEP 500: Prepare to Make Final Mean Final [v7]

[Alan Bateman]

On Tue, 7 Oct 2025 15:04:47 GMT, Chen Liang <liach at openjdk.org> wrote:

>> src/java.base/share/classes/java/lang/reflect/Field.java line 982:
>> 
>>> 980:         } else {
>>> 981:             setFinal(Reflection.getCallerClass(), obj, () -> fa.setByte(obj, b));
>>> 982:         }
>> 
>> Suggestion:
>> 
>>         if (!Modifier.isFinal(modifiers)) {
>>             fa.setByte(obj, b);
>>         } else {
>>             setFinal(Reflection.getCallerClass(), obj, () -> getOverrideFieldAccessor().setByte(obj, b));
>>         }
>
> We still need to capture `b` here so this doesn't really improve anything. Same for others.

Right, and capturing fa/obj/b vs. this/obj/b is also not a concern because this is the slow case for final fields.

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PR Review Comment: https://git.openjdk.org/jdk/pull/25115#discussion_r2410998983