RFR: 8317868: Add @sealedGraph to MethodHandleDesc and descendants [v2]

[Per Minborg]

On Wed, 11 Oct 2023 07:57:11 GMT, Chen Liang <liach at openjdk.org> wrote:

>> Per Minborg has updated the pull request incrementally with two additional commits since the last revision:
>> 
>>  - Update copyright year
>>  - Revoke change in DMHD
>
> src/java.base/share/classes/java/lang/constant/DirectMethodHandleDesc.java line 49:
> 
>> 47:  * a {@code Constant_MethodHandle_info} entry in the constant pool of a classfile.
>> 48:  *
>> 49:  * @sealedGraph
> 
> DMH desc has no public implementation subtypes. A `@sealedGraph` would probably just render a single root node, which is not informative.

Well spotted. Thanks.

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PR Review Comment: https://git.openjdk.org/jdk/pull/16137#discussion_r1354763919