Imported Upstream version 3.10.0

Former-commit-id: 172c8e3c300b39d5785c7a3e8dfb08ebdbc1a99b

mcs/tests/gtest-622.cs

@@ -0,0 +1,25 @@
+interface IX<TI>
+{
+	void M<TO> () where TO : TI;
+}
+
+interface IY
+{
+}
+
+class CY : IY
+{
+}
+
+class A : IX<IY>
+{
+	public void M<TO> () where TO : IY
+	{
+	}
+
+	public static void Main ()
+	{
+		var a = new A ();
+		a.M<CY> ();
+	}
+}