RFR: JDK-8282776: Bad NullPointerException message when invoking an interface MethodHandle on a null receiver [v4]

[Paul Sandoz]

On Wed, 23 Mar 2022 23:22:31 GMT, Mandy Chung <mchung at openjdk.org> wrote:

>> A simple patch to call `Objects.requireNonNull(recv)` for an explicit null receiver check rather than NPE thrown by `Object::getClass`.  The message of NPE generated by JEP 358 (Helpful NullPointerExceptions) is supposed to be helpful but not in this case.
>
> Mandy Chung has updated the pull request incrementally with one additional commit since the last revision:
> 
>   per feedback

Moving the check under the `!isInstance(recv)` check is better.

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Marked as reviewed by psandoz (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/7766