Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/errors/cs0246-21.cs

@@ -0,0 +1,22 @@
+// CS0246: The type or namespace name `IBase' could not be found. Are you missing `Foo' using directive?
+// Line: 15
+
+namespace Foo {
+        public interface IBase {
+                object X { get; }
+        }
+}
+
+public interface IDerived<T> : Foo.IBase {
+        T X { get; }
+}
+
+public class Test<T> {
+        public class Y : IDerived<T>, IBase
+        {
+                public T X { get { return default (T); } }
+                object Foo.IBase.X {
+                        get { return default (T); }
+                }
+        }
+}