Imported Upstream version 5.4.0.167

Former-commit-id: 5624ac747d633e885131e8349322922b6a59baaa

mcs/tests/test-decl-expr-04.cs

@@ -0,0 +1,18 @@
+public class C
+{
+	public static void Main ()
+	{
+		Test2 (Test (out var x1), x1);
+	}
+
+	static int Test (out int x)
+	{
+		x = 1;
+		return 2;
+	}
+
+	static int Test2 (int x, int y)
+	{
+		return 2;
+	}
+}