Imported Upstream version 5.10.0.47

Former-commit-id: d0813289fa2d35e1f8ed77530acb4fb1df441bc0

mcs/errors/cs8153.cs

@@ -0,0 +1,24 @@
+// CS8153: An expression tree lambda cannot contain a call to a method, property, or indexer that returns by reference
+// Line: 11
+
+using System;
+using System.Linq.Expressions;
+
+class X
+{
+	void Foo ()
+	{
+		Expression<Func<int>> e = () => Test (ref this[0]);
+	}
+
+	static int Test (ref int y)
+	{
+		return y;
+	}
+
+	ref int this [int y] {
+		get {
+			throw null;
+		}
+	}
+}