[662440] Don't expand nested type builders of non-generic types

1 files changed, 61 insertions, 0 deletions

diff --git a/mcs/tests/gtest-550.cs b/mcs/tests/gtest-550.cs
new file mode 100644
index 00000000000..a845c129f3b
--- /dev/null
+++ b/mcs/tests/gtest-550.cs
@@ -0,0 +1,61 @@
+using System;
+
+namespace Foo
+{
+	public static class Magic
+	{
+		public interface IUpDown
+		{
+			int DestinationDimension { get; }
+		}
+
+		public static int Main ()
+		{
+			Magic<decimal>.Upsample (new Instance ());
+			return 0;
+		}
+	}
+
+	public static class Magic<T>
+	{
+		public interface IAccessible { T this[int index] { get; set; } }
+
+		public interface IUpDown : Magic.IUpDown, IAccessible { }
+
+		public static void Upsample (IUpDown o)
+		{
+			var count = o.DestinationDimension;
+		}
+	}
+
+	class Instance : Magic<decimal>.IUpDown
+	{
+		#region IUpDown Members
+
+		public int DestinationDimension
+		{
+			get
+			{
+				return 1;
+			}
+		}
+
+		#endregion
+
+		#region IAccessible Members
+
+		public decimal this[int index]
+		{
+			get
+			{
+				throw new NotImplementedException ();
+			}
+			set
+			{
+				throw new NotImplementedException ();
+			}
+		}
+
+		#endregion
+	}
+}
\ No newline at end of file