Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/errors/cs0452-2.cs

@@ -0,0 +1,16 @@
+// CS0452: The type `int' must be a reference type in order to use it as type parameter `T' in the generic type or method `Foo.Test<T>(ref T)'
+// Line: 14
+public class Foo
+{
+	public static void Test<T> (ref T t)
+		where T : class
+	{ }
+}
+
+public class C {
+	public static void Main ()
+	{
+		int i = 0;
+		Foo.Test<int> (ref i);
+	}
+}