Regression in the javac 1.8u40

[Rob McKenna]

Probably better to discuss this on compiler-dev at openjdk.java.net

     -Rob

On 20/04/15 16:33, Aaron Digulla wrote:
> Hello,
>
> I've found a regression in generics handling of Java 8. The code can be compiled and works fine with Java 6u45 and 7u75.
>
> Basically, I have an interface with this method:
>
>      <T extends Bar<T>> T foo();
>
> where Bar is
>
>      interface Bar<B extends Bar<B>> {}
>
> I can implement this method without problem
>     
>      @Override
>      public <T extends Bar<T>> T foo() {
>         return null;
>      }
>
> but I can't override such a method anymore in Java 8:
>
>      @Override
>      public <T extends Bar<T>> T foo() {
>         T result = super.foo();
>         return result;
>      }
>
>
> I've a small project which demonstrates the issue. I tried to open a bug but couldn't create a user in the bug database.
>
> What should I do, now?
>
> Regards,
>