Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/tests/test-421.cs

@@ -0,0 +1,42 @@
+
+// Test case from bug 75270
+
+using System;
+
+public interface I {
+  void SetObject (string foo);
+}
+
+public class A {
+  public virtual void SetObject (string foo) {
+    Console.WriteLine ("A.SetObject {0}", foo);
+  }
+}
+
+public class B : A, I {
+  //public override void SetObject (string foo) {
+  //Console.WriteLine ("B.SetObject {0}", foo);
+  //}
+}
+
+public class C : B {
+  public static bool ok = false;
+  public override void SetObject (string foo) {
+    Console.WriteLine ("C.SetObject {0}", foo);
+    ok = true;
+  }
+}
+
+
+public class X {
+  public static int Main (string[] args) {
+    I i = new C();
+
+    // Tests that C.SetObject is called here
+    i.SetObject ("hi");
+    if (!C.ok)
+	return 1;
+    return 0;
+  }
+}
+