errors/gcs0266-4.cs

   1 // CS0266: Cannot implicitly convert type `object' to `bool'. An explicit conversion exists (are you missing a cast?)
   2 // Line: 9
   3
   4 class X
   5 {
   6         static void Main ()
   7         {
   8                 object o = true;
   9                 bool b = (o ?? string.Empty);
  10         }
  11 }