Imported Upstream version 3.10.0

Former-commit-id: 172c8e3c300b39d5785c7a3e8dfb08ebdbc1a99b

mcs/tests/test-null-operator-09.cs

@@ -0,0 +1,19 @@
+delegate int D (int t);
+
+class X
+{
+	D d = delegate { return 4; };
+
+	public static int Main ()
+	{
+		X x = null;
+
+		var res = x?.d (55);
+		if (res != null)
+			return 1;
+			
+		x?.d (1);
+
+		return 0;
+	}
+}