diff -r hu.dwim.walker-20151218-darcs/integration/sbcl.lisp /pdietz/hu.dwim.walker-20151218-darcs/integration/sbcl.lisp
31c31,33
<       (bind ((info (sb-kernel::type-class-info type)))
---
>       (bind ((info (#.(or (find-symbol "TYPE-CLASS-INFO" :sb-kernel)
>                           (find-symbol "TYPE-CLASS" :sb-kernel))
>                       type)))