(info (make-function-info :attributes attributes
:derive-type derive-type
:optimizer optimizer))
- (target-env (or *backend-info-environment* *info-environment*)))
+ (target-env *info-environment*))
(dolist (name names)
(let ((old-function-info (info :function :info name)))
(when old-function-info
- ;; This is an error because it's generally a bad thing to blow
- ;; away all the old optimization stuff. It's also a potential
- ;; source of sneaky bugs:
+ ;; This is handled as an error because it's generally a bad
+ ;; thing to blow away all the old optimization stuff. It's
+ ;; also a potential source of sneaky bugs:
;; DEFKNOWN FOO
;; DEFTRANSFORM FOO
;; DEFKNOWN FOO ; possibly hidden inside some macroexpansion
;; ; Now the DEFTRANSFORM doesn't exist in the target Lisp.
;; However, it's continuable because it might be useful to do
;; it when testing new optimization stuff interactively.
- #+nil (cerror "Go ahead, overwrite it."
- "overwriting old FUNCTION-INFO for ~S" name)
- (warn "~@<overwriting old FUNCTION-INFO ~2I~_~S ~I~_for ~S~:>"
- old-function-info name)))
+ (cerror "Go ahead, overwrite it."
+ "~@<overwriting old FUNCTION-INFO ~2I~_~S ~I~_for ~S~:>"
+ old-function-info name)))
(setf (info :function :type name target-env) ctype)
(setf (info :function :where-from name target-env) :declared)
(setf (info :function :kind name target-env) :function)
;;; through here.
(declaim (ftype (function (t) function-info) function-info-or-lose))
(defun function-info-or-lose (name)
- (let ((*info-environment* (or *backend-info-environment*
- *info-environment*)))
+ (let (;; FIXME: Do we need this rebinding here? It's a literal
+ ;; translation of the old CMU CL rebinding to
+ ;; (OR *BACKEND-INFO-ENVIRONMENT* *INFO-ENVIRONMENT*),
+ ;; and it's not obvious whether the rebinding to itself is
+ ;; needed that SBCL doesn't need *BACKEND-INFO-ENVIRONMENT*.
+ (*info-environment* *info-environment*))
(let ((old (info :function :info name)))
(unless old (error "~S is not a known function." name))
(setf (info :function :info name) (copy-function-info old)))))