mcs/errors/cs4006.cs

   1 // CS4006: __arglist is not allowed in parameter list of async methods
   2 // Line: 9
   3
   4 using System.Threading.Tasks;
   5
   6 class C
   7 {
   8         public async Task Test (__arglist)
   9         {
  10                 await Call ();
  11         }
  12
  13         static Task Call ()
  14         {
  15                 return null;
  16         }
  17 }