mcs/errors/cs4012.cs

   1 // CS4012: Parameters or local variables of type `System.TypedReference' cannot be declared in async methods or iterators
   2 // Line: 13
   3
   4 using System;
   5 using System.Collections;
   6 using System.Threading.Tasks;
   7
   8 class C
   9 {
  10         public async void Test ()
  11         {
  12                 int i = 2;
  13                 TypedReference tr = __makeref (i);
  14                 await Task.Factory.StartNew (() => 6);
  15         }
  16 }