Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/errors/cs0832-4.cs

@@ -0,0 +1,25 @@
+// CS0832: An expression tree cannot contain an assignment operator
+// Line: 19
+
+using System;
+using System.Linq.Expressions;
+
+public delegate void EventHandler (int i, int j);
+
+public class Button
+{
+	public event EventHandler Click;
+}
+
+public class Blah
+{
+	public static void Main ()
+	{
+		Button b = new Button ();
+		Expression<Action> e = () => b.Click += new EventHandler (Button1_Click);
+	}
+
+	public static void Button1_Click (int i, int j)
+	{
+	}
+}