0.pre7.11:

[sbcl.git] / src / compiler / knownfun.lisp

diff --git a/src/compiler/knownfun.lisp b/src/compiler/knownfun.lisp
index 8a1d3fc..84799f1 100644 (file)
--- a/src/compiler/knownfun.lisp
+++ b/src/compiler/knownfun.lisp
@@ -173,19 +173,18 @@
     (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)