Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/tests/gtest-optional-12.cs

@@ -0,0 +1,17 @@
+using System;
+
+public class C
+{
+	static int M (string s = "s", int k = 0, params int[] args)
+	{
+		return args[1];
+	}
+
+	public static int Main ()
+	{
+		if (M (args: new int[] { 10, 20, 30 }) != 20)
+			return 1;
+
+		return 0;
+	}
+}