RFR: JDK-8267936: PreserveAllAnnotations option isn't tested

[Peter Levart]

On Tue, 1 Jun 2021 09:30:40 GMT, Jaroslav Tulach <github.com+26887752+JaroslavTulach at openjdk.org> wrote:

> There doesn't seem to be much support for the complete changes in #4245. To get at least something useful from that endeavor I have extracted the test for existing behavior of `-XX:+PreserveAllAnnotations` and I am offering it in this pull request without any changes to the JVM behavior.

test/jdk/java/lang/annotation/AnnotationType/AnnotationTypeChangedToRuntimeTest.java line 57:

> 55:     @AnnB
> 56:     public @interface AnnA_v2 {
> 57:     }

You meant to write: "An alternative version of AnnA_v1 with RUNTIME retention instead", right?

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PR: https://git.openjdk.java.net/jdk/pull/4280