Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/tests/gtest-595.cs

@@ -0,0 +1,37 @@
+class MainClass
+{
+	static class TypeConverter<TIn, TOut>
+		where TIn : class
+		where TOut : struct
+	{
+		public static bool Convert(TIn input)
+		{
+			if (input is TOut)
+			{
+				return true;
+			}
+
+			return false;
+		}
+	}
+
+	public static int Main()
+	{
+		object x = 3;
+		if (TypeConverter<object, double>.Convert(x))
+			return 1;
+
+		if (!TypeConverter<I, S>.Convert(new S()))
+			return 2;
+
+		return 0;
+	}
+}
+
+interface I
+{
+}
+
+struct S : I
+{
+}