Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/tests/test-async-61.cs

@@ -0,0 +1,26 @@
+using System.Threading.Tasks;
+using System;
+
+class X
+{
+        public static void Main ()
+        {
+                new X ().Foo ().Wait ();
+        }
+
+        async Task Foo ()
+        {
+                await Task.Run (async () => {
+                        for (var count = 1; count < 5; count++) {
+                                Invoke (() => {
+                                        Console.WriteLine ("{0}", count);
+                                });
+                        }
+                });
+        }
+
+        void Invoke (Action a)
+        {
+                a ();
+        }
+}