Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/tests/gtest-iter-30.cs

@@ -0,0 +1,33 @@
+using System;
+using System.Collections.Generic;
+
+public class Program
+{
+	public static void Main ()
+	{
+		foreach (var x in new M ().Test ()) {
+			Console.WriteLine (x);
+		}
+	}
+}
+
+class M
+{
+	public IEnumerable<int> Test ()
+	{
+		Action a = delegate {
+			int k = 0;
+			Action x = delegate {
+				Console.WriteLine (this);
+				Console.WriteLine (k);
+			};
+
+			x ();
+			Console.WriteLine (this);
+		};
+
+		a ();
+		
+		yield return 1;
+	}
+}