Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/tests/test-anon-148.cs

@@ -0,0 +1,32 @@
+public delegate TResult Func<TResult> ();
+
+public delegate void GeneratorNext<T> (ref T current);
+
+public class GeneratorEnumerable<T>
+{
+	public GeneratorEnumerable (Func<GeneratorNext<T>> next) { }
+}
+
+public class GeneratorExpression { }
+
+public class GeneratorInvoker
+{
+	public GeneratorInvoker (GeneratorExpression generator) { }
+	public void Invoke<T> (ref T current) { }
+}
+
+public static class Interpreter
+{
+	public static object InterpretGenerator<T> (GeneratorExpression generator)
+	{
+		return new GeneratorEnumerable<T> (
+			() => new GeneratorInvoker (generator).Invoke
+		);
+	}
+
+	public static int Main ()
+	{
+		InterpretGenerator<int> (new GeneratorExpression ());
+		return 0;
+	}
+}