Imported Upstream version 4.6.0.182

Former-commit-id: 439c182e520038bf50777ca2fe684f216ae28552

mcs/tests/test-async-89.cs

@@ -0,0 +1,51 @@
+using System;
+using System.Threading.Tasks;
+
+class X
+{
+	public static void Main ()
+	{
+		new X ().Test ();
+	}
+
+	void Test ()
+	{
+		object v1 = null;
+
+		Action a = () =>
+		{
+			if (v1 == null)
+			{
+				object v2 = null;
+
+				Action a2 = () =>
+				{
+					Console.WriteLine (v2);
+				};
+				
+				Action a3 = async () =>
+				{
+					// This scope needs to access to Scope which can do ldftn on instance method
+					{
+					Func<Task> a4 = async () =>
+					{
+						await Foo ();
+					};
+					}
+
+					await Task.Yield ();
+				};
+
+				a3 ();
+			}
+		};
+
+		a ();
+	}
+
+	async Task Foo ()
+	{
+		await Task.FromResult (1);
+	}
+
+}