-// CS0309: The type 'B' must be convertible to 'A' in order to use it as parameter 'T' in the generic type or method 'Foo<T>'
+// CS0309: The type `B' must be convertible to `A' in order to use it as parameter `T' in the generic type or method `Foo<T>'
// Line: 20
public class Foo<T>