errors/cs0445-2.cs

   1 // cs0445.cs: Cannot modify the result of an unboxing conversion
   2 // Line: 10
   3
   4 struct S
   5 {
   6     public int val { set {} }
   7
   8     public void Do (object o)
   9     {
  10         ((S)o).val = 4;
  11     }
  12 }
  13