0.8.17.22: minor buglets & bugreports

[sbcl.git] / src / code / error.lisp

diff --git a/src/code/error.lisp b/src/code/error.lisp
index b409a4f..86e41d1 100644 (file)
--- a/src/code/error.lisp
+++ b/src/code/error.lisp
@@ -27,14 +27,14 @@
 ;;; single argument that's directly usable by all the other routines.
 (defun coerce-to-condition (datum arguments default-type fun-name)
   (cond ((typep datum 'condition)
-        (if arguments
-            (cerror "Ignore the additional arguments."
-                    'simple-type-error
-                    :datum arguments
-                    :expected-type 'null
-                    :format-control "You may not supply additional arguments ~
-                                      when giving ~S to ~S."
-                    :format-arguments (list datum fun-name)))
+        (when (and arguments (not (eq fun-name 'cerror)))
+           (cerror "Ignore the additional arguments."
+                   'simple-type-error
+                   :datum arguments
+                   :expected-type 'null
+                   :format-control "You may not supply additional arguments ~
+                                    when giving ~S to ~S."
+                   :format-arguments (list datum fun-name)))
         datum)
        ((symbolp datum) ; roughly, (SUBTYPEP DATUM 'CONDITION)
         (apply #'make-condition datum arguments))