Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/tests/test-iter-25.cs

@@ -0,0 +1,42 @@
+using System;
+using System.Collections.Generic;
+
+public class D : IDisposable
+{
+	public D (string bar)
+	{
+	}
+
+	public void Dispose ()
+	{
+	}
+}
+
+public class UploadAction
+{
+	public static void RunOnThread (Action a)
+	{
+		a.Invoke ();
+	}
+
+	public static IEnumerable<object> TagsError ()
+	{
+		string tags;
+		tags = "";
+
+		RunOnThread (() => {
+			using (D u = new D (tags)) {
+				Console.WriteLine ("No Op");
+			}
+		});
+
+		yield break;
+	}
+
+	public static void Main ()
+	{
+		foreach (object bar in TagsError ()) {
+			Console.WriteLine ("No op {0}", bar);
+		}
+	}
+}