Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/errors/cs0023-15.cs

@@ -0,0 +1,14 @@
+// CS0023: The `++' operator cannot be applied to operand of type `object'
+// Line: 9
+
+using System;
+using System.Collections;
+
+class Test {
+	public static void Main(string[] args) {
+		ArrayList al = new ArrayList();
+		al[0] = 0;
+		
+		Console.WriteLine((al[0])++);
+	}
+}