Imported Upstream version 5.10.0.47

Former-commit-id: d0813289fa2d35e1f8ed77530acb4fb1df441bc0

mcs/tests/test-ref-01.cs

@@ -0,0 +1,38 @@
+// Compiler options: -unsafe
+
+public unsafe class X
+{
+	int field;
+	int* ufield;
+
+	public static void Main ()
+	{
+		int i = 5;
+		ref int j = ref i;
+
+		var x = new X ();
+		ref var v = ref x.TestMethod ();
+	}
+
+	ref int TestMethod ()
+	{
+		return ref field;
+	}
+
+	ref int TestProperty {
+		get {
+			return ref field;
+		}
+	}
+
+	ref int this [long arg] {
+		get {
+			return ref field;
+		}
+	}
+
+	unsafe ref int* Foo ()
+	{
+		return ref ufield;
+	}
+}