RFR: 8266791: Annotation property which is compiled as an array property but changed to a single element throws NullPointerException

[Rafael Winterhalter]

On Sun, 9 May 2021 21:59:29 GMT, Rafael Winterhalter <winterhalter at openjdk.org> wrote:

> During annotation parsing, the parser assumes that a declared property is of an array type if the parsed annotation property is defined as an array. In this case, the component type is `null`, and a `NullPointerException` is thrown. This change discovers the mismatch and throws an `AnnotationTypeMismatchException`.

Link to CSR: https://bugs.openjdk.java.net/browse/JDK-8268452

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PR: https://git.openjdk.java.net/jdk/pull/3940