RFR: 8350607: Consolidate MethodHandles::zero into MethodHandles::constant [v2]

[Chen Liang]

On Mon, 24 Feb 2025 23:45:37 GMT, Chen Liang <liach at openjdk.org> wrote:

>> LF editor spins classes, this avoids the spinning overhead and should speed up non-capturing lambdas too.
>> 
>> There may need to be additional intrinsic work for MH combinator lf bytecode generation.
>
> Chen Liang has updated the pull request incrementally with one additional commit since the last revision:
> 
>   We no longer load DelegateMH as we no longer rebind

Tier 1-3 tests only have 2 unrelated failures. Thanks for the reviews.

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

PR Comment: https://git.openjdk.org/jdk/pull/23706#issuecomment-2707393715