Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/tests/test-async-09.cs

@@ -0,0 +1,25 @@
+// Compiler options: -langversion:future
+
+using System;
+using System.Threading.Tasks;
+
+class Test
+{
+	static int Foo<T> (Func<T, Task<int>> f)
+	{
+		return 1;
+	}
+	
+	static int Foo<T> (Func<T, Task<short>> f)
+	{
+		return 2;
+	}
+
+	public static int Main ()
+	{
+		if (Foo (async (string str) => (short) 1) != 2)
+			return 1;
+		
+		return 0;
+	}
+}