Request to backport 6908259: Covariance bug for multiple interface inheritance

[joe.darcy at oracle.com]

Hello.

On 8/10/2011 11:56 AM, Deepak Bhole wrote:
> Hi,
>
> We have encountered a compilation issue with OpenJDK6 that is fixed in
> OpenJDK7. To that end, I would like to backport this changeset to OpenJDK6:
>
> http://hg.openjdk.java.net/jdk7/tl/langtools/raw-rev/4a3b9801f7a0
>
> author	mcimadamore
> changeset 50	4a3b9801f7a0
> parent 49	8bc2ca2a3b0a
> child 51	29d2485c1085
>
> 6294779: Problem with interface inheritance and covariant return types
> Summary: Problematic overriding check when two methods defined in two distinct superinterfaces are overriden by an interface
> Reviewed-by: jjg
>
> Okay to push?
>
> Cheers,
> Deepak
>   

This change isn't in the 6 update train and I think it would be helpful 
to get Maurizio's input on whether the patch is suitable for OpenJDK 6.

-Joe