RFR: 6983726: Reimplement MethodHandleProxies.asInterfaceInstance [v16]

[Maurizio Cimadamore]

On Mon, 8 May 2023 09:32:31 GMT, Maurizio Cimadamore <mcimadamore at openjdk.org> wrote:

>> Chen Liang has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Remove assertion, no longer true with teleport definition in MHP
>
> src/java.base/share/classes/java/lang/invoke/MethodHandleProxies.java line 342:
> 
>> 340: 
>> 341:             // individual handle fields
>> 342:             clb.withField(ORIGINAL_TARGET_NAME, CD_MethodHandle, ACC_PRIVATE | ACC_FINAL);
> 
> Would a @Stable field help here? E.g if the returned functional interface instance is stored in a `static final` field, it should enable better performance?

(actually, not sure - as the class is saved in a class value cache, so probably adding stable won't make any difference).

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

PR Review Comment: https://git.openjdk.org/jdk/pull/13197#discussion_r1187300990