[lworld] Integrated: 8293183: [lworld] add missing tests for functional interfaces

[Vicente Romero]

On Wed, 31 Aug 2022 19:33:29 GMT, Vicente Romero <vromero at openjdk.org> wrote:

> this PR is adding some additional regression tests for functional interfaces, covering this assertion on section: 9.8 Functional Interfaces of [1]:
> 
>  * A functional interface is an interface that is not declared with one of the modifiers sealed, identity, or value...
> 
> but this should apply too to functional interfaces which are not explicitly declared with the `identity` modifier. So this code should not be accepted:
> 
>     identity interface I {
>         void m();
>     }
> 
>     @FunctionalInterface
>     interface J extends I {}
> 
> [1] http://cr.openjdk.java.net/~dlsmith/jep8277163/jep8277163-20220519/specs/value-objects-jls.html#jls-9.8

This pull request has now been integrated.

Changeset: d38f3947
Author:    Vicente Romero <vromero at openjdk.org>
URL:       https://git.openjdk.org/valhalla/commit/d38f39479671c276e86f03b56a52091d1c2ce458
Stats:     38 lines in 1 file changed: 34 ins; 2 del; 2 mod

8293183: [lworld] add missing tests for functional interfaces

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PR: https://git.openjdk.org/valhalla/pull/735