RFR: 8243583: Change 'final' error checks to throw ICCE

[Lois Foltan]

On Tue, 27 Oct 2020 19:48:25 GMT, Harold Seigel <hseigel at openjdk.org> wrote:

> Please review this small change to throw IncompatibleClassChangeError exceptions instead of VerifyError exceptions for attempts to override Final classes and methods, as described in https://bugs.openjdk.java.net/browse/JDK-8243582.
> 
> The fix was tested with tiers 1-2 on Linux, Mac OSX, and Windows, tiers 3-5 on Linux x64, and running the JCK lang, vm, and api tests.
> 
> Thanks, Harold

Looks good Harold!
Lois

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Marked as reviewed by lfoltan (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/885