ResolvableType.forRawClass fails isAssignable against TypeVariable

[philwebb]

A ResolvableType created using forRawClass incorrectly returns false when isAssignable is called against a type backed by a TypeVariable.

E.g.: Given the following type:

public static class ExtendedList extends List<CharSequence> {
}

This code will result in false when it should be true:

ResolvableType.forRawClass(CharSequence.class).isAssignableFrom(ResolvableType.forClass(ExtendsList.class).as(List.class).getGeneric());