Remove duplicate implementations of (setf aref/sbit/bit).

[sbcl.git] / src / code / target-defstruct.lisp

diff --git a/src/code/target-defstruct.lisp b/src/code/target-defstruct.lisp
index b36c483..89ced39 100644 (file)
--- a/src/code/target-defstruct.lisp
+++ b/src/code/target-defstruct.lisp
@@ -361,9 +361,9 @@
   #!+sb-doc
   "Return a copy of STRUCTURE with the same (EQL) slot values."
   (declare (type structure-object structure))
-  (let* ((len (%instance-length structure))
-         (res (%make-instance len))
-         (layout (%instance-layout structure))
+  (let* ((layout (%instance-layout structure))
+         (res (%make-instance (%instance-length structure)))
+         (len (layout-length layout))
          (nuntagged (layout-n-untagged-slots layout)))
 
     (declare (type index len))