Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/tests/gtest-575.cs

@@ -0,0 +1,25 @@
+using System;
+
+public class C<T1> where T1 : B<T1>, new ()
+{
+	public void Test ()
+	{
+		using (var a = new T1 ()) {
+		}
+	}
+}
+
+public class B<T2> : IDisposable
+{
+	void IDisposable.Dispose ()
+	{
+	}
+}
+
+public class Test : B<Test>
+{
+	public static void Main ()
+	{
+		new C<Test> ().Test ();
+	}
+}