Imported Upstream version 4.2.1.60

Former-commit-id: 9b26026d54721a136cb1f0874b60f96f4169873f

mcs/errors/cs0023-26.cs

@@ -0,0 +1,15 @@
+// CS0023: The `?' operator cannot be applied to operand of type `method group'
+// Line: 14
+
+class X
+{
+	void Test ()
+	{
+	}
+
+	public static void Main ()
+	{
+		X x = null;
+		System.Action n = x?.Test;
+	}
+}