On constant folding of final field loads

Paul Sandoz paul.sandoz at oracle.com
Mon Jun 29 08:34:37 UTC 2015

Hi Vladimir,

Looks like there is some really good investigatory work here.

On Jun 27, 2015, at 3:27 AM, Vladimir Ivanov <vladimir.x.ivanov at oracle.com> wrote:
> There are 4 ways to circumvent runtime limitations and change a final field value:
>  - Reflection API (Field.setAccessible())
>  - Unsafe
>  - JNI
>  - java.lang.invoke (MethodHandles)

For MHs it's not possible to lookup a MH (via MH.L.findSetter/unreflectSetter) to a final field.


Although i cannot find any such explicit mention in JavaDoc, so i guess it can be considered under the umbrella of "access checks".

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