Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/errors/cs0205.cs

@@ -0,0 +1,23 @@
+// CS0205: Cannot call an abstract base member `A.Foobar()'
+// Line: 21
+
+using System;
+
+public abstract class A
+{
+        public abstract void Foobar ();
+}
+
+public class B: A
+{
+        public override void Foobar ()
+        {
+                base.Foobar ();
+        }
+
+        static void Main ()
+        {
+                B b = new B ();
+                b.Foobar ();
+        }
+}