Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/tests/gtest-509.cs

@@ -0,0 +1,36 @@
+using System;
+
+namespace Test
+{
+	public interface IFoo
+	{
+	}
+
+	public class Foo : IFoo
+	{
+	}
+
+	public interface IBase
+	{
+		T Get<T> (object o);
+	}
+
+	public class TestClass : IBase
+	{
+		public T Get<T> (object o)
+			where T : IFoo
+		{
+			return default (T);
+		}
+
+		T IBase.Get<T> (object o)
+		{
+			return default (T);
+		}
+
+		public static void Main (string[] args)
+		{
+			Console.WriteLine (new TestClass ().Get<Foo> (null));
+		}
+	}
+}