Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/errors/cs4010.cs

@@ -0,0 +1,18 @@
+// CS4010: Cannot convert async lambda expression to delegate type `System.Func<bool>'
+// Line: 16
+
+using System;
+using System.Threading.Tasks;
+
+class C
+{
+	static Task<int> GetInt ()
+	{
+		return null;
+	}
+	
+	public static void Main ()
+	{
+		Func<bool> a = async () => { await GetInt (); };
+	}
+}