Imported Upstream version 3.12.0

Former-commit-id: cf92446697332992ec36726e78eb8703e1f259d7

mcs/tests/test-async-76.cs

@@ -0,0 +1,42 @@
+// Compiler options: -r:../class/lib/net_4_5/Mono.Cecil.dll
+
+using System;
+using System.Threading.Tasks;
+using Mono.Cecil;
+
+namespace N
+{
+	class C
+	{
+	}
+
+	interface I<T>
+	{
+		void Foo (T t);
+	}
+
+	class X : I<C>
+	{
+		async void I<C>.Foo (C c)
+		{
+			await Task.Delay (1);
+		}
+
+		public static void Main ()
+		{
+			var assembly = AssemblyDefinition.ReadAssembly (typeof (X).Assembly.Location);
+			foreach (var t in assembly.MainModule.Types) {
+				PrintType (t, 0);
+			}
+		}
+ 
+		static void PrintType (TypeDefinition td, int indent)
+		{
+			if (td.IsNested && !string.IsNullOrEmpty (td.Namespace))
+				throw new ApplicationException ("BROKEN NESTED TYPE:");
+			Console.WriteLine ("{2} Namespace: {0} Name: {1}", td.Namespace, td.Name, new string (' ', indent * 4));
+			foreach (var tn in td.NestedTypes)
+				PrintType (tn, indent + 1);
+		}
+	}
+}