Imported Upstream version 4.0.0~alpha1

Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9

mcs/errors/cs1593-6.cs

@@ -0,0 +1,24 @@
+// CS1593: Delegate `System.Action<System.Exception,object>' does not take `1' arguments
+// Line: 16
+
+using System;
+using System.Threading.Tasks;
+
+class MainClass
+{
+	public static void Run (Func<Task> func)
+	{
+	}
+
+	public static void Main (string[] args)
+	{
+		Run(async () => {
+			Function(async (handle) => {
+			});
+		});
+	}
+
+	public static void Function (Action<Exception, object> callback)
+	{
+	}
+}