Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/tests/test-async-30.cs

@@ -0,0 +1,39 @@
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+
+class C
+{
+	private IEnumerable<string> Test (string s)
+	{
+		Func<Task<string>> a = async () => await Task.FromResult(s + "a");
+		yield return a ().Result;
+	}
+	
+	private IEnumerable<string> Test2 ()
+	{
+		var s = "bb";
+		Func<Task<string>> a = async () => await Task.FromResult(s + "a");
+		yield return a ().Result;
+	}
+
+	public static int Main ()
+	{
+		var c = new C ();
+		string res = "";
+		foreach (var e in c.Test ("tt"))
+			res += e;
+		
+		if (res != "tta")
+			return 1;
+		
+		res = "";
+		foreach (var e in c.Test2 ())
+			res += e;
+		
+		if (res != "bba")
+			return 2;
+
+		return 0;
+	}
+}