X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fknownfun.lisp;h=fefd236a4ea6dfaace84725ef02a1bd1d488d934;hb=416152f084604094445a758ff399871132dff2bd;hp=84799f178a5ce5a3cad8af6c054d162913297466;hpb=5251267b300cb967cbf547e838037a616064bd58;p=sbcl.git

diff --git a/src/compiler/knownfun.lisp b/src/compiler/knownfun.lisp
index 84799f1..fefd236 100644
--- a/src/compiler/knownfun.lisp
+++ b/src/compiler/knownfun.lisp
@@ -125,7 +125,7 @@
   ;; the transformation function. Takes the COMBINATION node and returns a
   ;; lambda, or throws out.
   (function (required-argument) :type function)
-  ;; string used in efficency notes
+  ;; string used in efficiency notes
   (note (required-argument) :type string)
   ;; T if we should emit a failure note even if SPEED=INHIBIT-WARNINGS.
   (important nil :type (member t nil))
@@ -169,7 +169,7 @@
 	(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
@@ -198,8 +198,12 @@
 ;;; 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)))))