Request to backport 6908259: Covariance bug for multiple interface inheritance

[Deepak Bhole]

Hi,

This one didn't show up in my inbox for some reason :/ 

Resending..

* Deepak Bhole <dbhole at redhat.com> [2011-08-10 14:56]:
> 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