RFR: 8282823: javac should constrain more uses of preview APIs

Fri Mar 11 11:30:42 UTC 2022

On Thu, 10 Mar 2022 12:28:27 GMT, Jan Lahoda <jlahoda at openjdk.org> wrote:

> Consider a class or interface with a method marked as preview. Subclassing the class or implementing the interface by itself should not cause a preview error/warning (as that would be problematic for Loom), but overriding the method should produce a preview error/warning.
> 
> This patch adds the error/warning in case a preview method is overridden.

If the goal is (as it seems) to detect first override of a preview method, then these changes look good. Thanks Alex for the clarification.

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Marked as reviewed by mcimadamore (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/7774