RFR: 8228988: AnnotationParser throws NullPointerException on incompatible member type

[Joe Darcy]

On Fri, 5 Feb 2021 21:24:34 GMT, Rafael Winterhalter <winterhalter at openjdk.org> wrote:

> When a class is compiled against a version of an annotation that is later loaded in an incompatible manner where an enum-typed member is changed into an annotation or vice versa, the reflection API currently throws a `NullPointerException` upon accessing the member. Instead an `AnnotationTypeMismatchException` should be thrown.
> 
> This change adjusts the parsing to trigger the correct exception.

Marked as reviewed by darcy (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/2439