Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/tests/gtest-iter-14.cs

@@ -0,0 +1,58 @@
+using System;
+using System.Collections.Generic;
+
+class A
+{
+	protected virtual int BaseM	{
+		get {
+			return 2;
+		}
+		set
+		{
+			throw new ApplicationException ("it should not be called");
+		}
+	}
+}
+
+class B : A
+{
+	protected override int BaseM {
+		set
+		{
+		}
+	}
+}
+
+struct S
+{
+	public IEnumerable<int> GetIt ()
+	{
+		yield return base.GetHashCode ();
+	}
+}
+
+class X : B
+{
+	protected override int BaseM {
+		set
+		{
+			throw new ApplicationException ("it should not be called");
+		}
+	}
+
+	IEnumerable<int> GetIt ()
+	{
+		yield return base.BaseM++;
+	}
+
+	public static int Main ()
+	{
+		foreach (var v in new X ().GetIt ())
+			Console.WriteLine (v);
+
+		foreach (var v in new S ().GetIt ())
+			Console.WriteLine (v);
+
+		return 0;
+	}
+}