RFR: 8207017: Type annotations on anonymous classes in initializer blocks not written to class file

[Jan Lahoda]

On Fri, 10 Feb 2023 22:43:41 GMT, Vicente Romero <vromero at openjdk.org> wrote:

> Javac is not writing type annotations applied to anonymous classes inside of instance or static initializers. Basically for code like:
> 
> 
> import java.lang.annotation.*;
> 
> class X {
> 
>     @Retention(RetentionPolicy.RUNTIME)
>     @Target(ElementType.TYPE_USE)
>     public @interface TA {
>         String value() default "empty";
>     }
> 
>     {
>         class Local {}
>         new @TA("LocalInstanceInitializerAnnonymous") Local() {};
>     }
> 
>     static {
>         class Local {}
>         new @TA("LocalStaticAnnonymous") Local() {};
>     }
> }
> 
> not type annotations are generated as attributes of methods <init> or <clinit>. This PR is fixing this issue. The annotations are currently generated if the anonymous class is declared inside an instance or static method. The issue is only with initializers,
> 
> TIA

Seems sensible.

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

Marked as reviewed by jlahoda (Reviewer).

PR: https://git.openjdk.org/jdk/pull/12519