1 files changed, 15 insertions, 0 deletions
diff --git a/mcs/errors/cs1591-17.cs b/mcs/errors/cs1591-17.cs
new file mode 100755
index 00000000000..693f1ae6732
--- /dev/null
+++ b/mcs/errors/cs1591-17.cs
@@ -0,0 +1,15 @@
+// Compiler options: -doc:dummy.xml -warnaserror -warn:4
+using System;
+
+namespace Testing
+{
+	/// <summary>
+	/// description for class Test
+	/// </summary>
+	public class Test
+	{
+		protected class InternalClass
+		{
+		}
+	}
+}