Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/tests/gtest-171.cs

@@ -0,0 +1,18 @@
+class list <a> {
+}
+
+class Nil <a> : list <a> {
+  public static Nil <a> single;
+  static Nil () {
+    single = new Nil <a> ();
+  }
+}
+
+
+public class Test {
+   public static void Main()  {
+     list <int>[,] x = new list<int>[10,10];
+     x[0,0] = Nil <int>.single;
+
+   }
+}