:type (or sb!di:code-location sb!di:debug-function))
;; the breakpoint returned by sb!di:make-breakpoint
(breakpoint (required-argument) :type sb!di:breakpoint)
:type (or sb!di:code-location sb!di:debug-function))
;; the breakpoint returned by sb!di:make-breakpoint
(breakpoint (required-argument) :type sb!di:breakpoint)
;; non-NIL, drop into the debugger.
(break #'identity :type function)
;; the function returned from sb!di:preprocess-for-eval. If result is
;; non-NIL, drop into the debugger.
(break #'identity :type function)
;; the function returned from sb!di:preprocess-for-eval. If result is