mcs/errors/cs0728-3.cs

   1 // CS0728: Possibly incorrect assignment to `s' which is the argument to a using or lock statement
   2 // Line: 12
   3 // Compiler options: -warnaserror
   4
   5 public class Foo
   6 {
   7         public static void Test (ref string s)
   8         {
   9                 lock (s) {
  10                         lock (s) {}
  11                         s = null;
  12                 }
  13         }
  14 }