http://bugzilla.novell.com/show_bug.cgi?id=623260
http://bugzilla.novell.com/show_bug.cgi?id=623260#c0 Summary: boxing issue with abstract class from interface Classification: Mono Product: Mono: Runtime Version: 2.6.x Platform: x86 OS/Version: Ubuntu Status: NEW Severity: Normal Priority: P5 - None Component: generics AssignedTo: [email protected] ReportedBy: [email protected] QAContact: [email protected] Found By: --- Blocker: --- Created an attachment (id=376619) --> (http://bugzilla.novell.com/attachment.cgi?id=376619) Example Project User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.2.6) Gecko/20100625 Firefox/3.6.6 If a class inherits from an abstract class that is inherited from an interface the boxing of the base interface is lost when trying to call a generic function from within the overridden generic function derived from the interface. Demonstration attached. This code compiles, runs, and gives correct result on VS 2010. Reproducible: Always Actual Results: /Main.cs(77,32): Error CS0314: The type 'T' cannot be used as a type parameter 'T' in the generic type or method 'GenericsError.ConcreteTest.Child<T,U>()'. There is no boxing or type parameter conversion from 'T' to GenericsError.ITType<U>' Expected Results: Hello World! Press any key to continue... -- Configure bugmail: http://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the QA contact for the bug. You are the assignee for the bug. _______________________________________________ mono-bugs maillist - [email protected] http://lists.ximian.com/mailman/listinfo/mono-bugs
