(unless (find-in #'tn-ref-next-ref target vop-refs)
(barf "The target for ~S isn't in REFS for ~S." ref vop)))))))
-;;; Verify the sanity of the VOP-Refs slot in VOP. This involves checking
+;;; Verify the sanity of the VOP-REFS slot in VOP. This involves checking
;;; that each referenced TN appears as an argument, result or temp, and also
;;; basic checks for the plausibility of the specified ordering of the refs.
(defun check-vop-refs (vop)
(defun nth-vop (thing n)
#!+sb-doc
- "Return the Nth VOP in the IR2-Block pointed to by Thing."
+ "Return the Nth VOP in the IR2-BLOCK pointed to by THING."
(let ((block (block-info (block-or-lose thing))))
(do ((i 0 (1+ i))
(vop (ir2-block-start-vop block) (vop-next vop)))