Integrated: 8208470: Type annotations on inner type that is an array component

[Vicente Romero]

On Sat, 11 Feb 2023 14:02:13 GMT, Vicente Romero <vromero at openjdk.org> wrote:

> As stated in the bug great description by Werner D.:
> 
> Considering this example:
> 
> import java.lang.annotation.ElementType;
> import java.lang.annotation.Retention;
> import java.lang.annotation.RetentionPolicy;
> import java.lang.annotation.Target;
> 
> @Retention(RetentionPolicy.RUNTIME)
> @Target({ElementType.TYPE_USE, ElementType.TYPE_PARAMETER})
> @interface TA {
>   int value();
> }
> 
> class ArrayOfInner {
>   class Inner {}
> 
>   @TA(1) ArrayOfInner. @TA(2) Inner oi;
>   @TA(3) ArrayOfInner. @TA(4) Inner [] oia;
>   @TA(5) Inner i;
>   @TA(6) Inner [] ia;
> }
> 
> If compiled with javac 8, according to javap -v field ia has the annotation:
> 
>   ArrayOfInner$Inner[] ia;
>     descriptor: [LArrayOfInner$Inner;
>     flags: (0x0000)
>     RuntimeVisibleTypeAnnotations:
>       0: #10(#11=I#21): FIELD, location=[ARRAY, INNER_TYPE]
>         TA(
>           value=6
>         )
> 
> if compiled with javac > 8 ia has the annotation:
> 
>   ArrayOfInner$Inner[] ia;
>     descriptor: [LArrayOfInner$Inner;
>     flags: (0x0000)
>     RuntimeVisibleTypeAnnotations:
>       0: #10(#11=I#21): FIELD, location=[ARRAY]
>         TA(
>           value=6
>         )
> 
> Note the missing `INNER_TYPE` location. This PR is re-establishing the Java 8 behavior.
> 
> TIA

This pull request has now been integrated.

Changeset: 1480d418
Author:    Vicente Romero <vromero at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/1480d418e3b7d1f36ace24a043a273fca446eefa
Stats:     86 lines in 4 files changed: 33 ins; 43 del; 10 mod

8208470: Type annotations on inner type that is an array component

Co-authored-by: Bernard Blaser <bsrbnd at openjdk.org>
Reviewed-by: jlahoda

-------------

PR: https://git.openjdk.org/jdk/pull/12522