struct AStruct { public object foo; public AStruct (int i) : this () { } } public class Tests { public static int Main () { for (int i = 0; i < 100; ++i) { AStruct a; a = new AStruct (5); if (a.foo != null) return 1; a.foo = i + 1; } System.Console.WriteLine ("ok"); return 0; } }