Imported Upstream version 5.10.0.47

Former-commit-id: d0813289fa2d35e1f8ed77530acb4fb1df441bc0

mcs/tests/test-ref-02.cs

@@ -0,0 +1,35 @@
+using System;
+
+class X
+{
+	int field;
+
+	static void Main ()
+	{
+		var x = new X ();
+		x.Run ();
+	}
+
+	void Run ()
+	{
+		Test (ref this[0]);
+		Test (ref Prop);
+	}
+
+	static int Test (ref int y)
+	{
+		return y;
+	}
+
+	ref int this [int y] {
+		get {
+			return ref field;
+		}
+	}
+
+	ref int Prop {
+		get {
+			return ref field;
+		}
+	}
+}