Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/errors/cs0200-3.cs

@@ -0,0 +1,18 @@
+// CS0200: Property or indexer `A.Counter' cannot be assigned to (it is read-only)
+// Line: 9
+
+class Program
+{
+	static void Main()
+	{
+		A a = new A();
+		a.Counter++;
+	}
+}
+
+class A {
+	private int? _counter;
+	public int? Counter {
+		get { return _counter; }
+	}
+}