X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fpcl%2Fenv.lisp;h=d074eb63fa8c3ca83ea29596f4112444c4480901;hb=2ef330d818799fe54587bdcb4c626b397ca15266;hp=d793f9a528c9928d7057198cc4f6d7c86f4a3c97;hpb=d1de626e8dcd1ab98ceedf818f055f64f3060a7b;p=sbcl.git

diff --git a/src/pcl/env.lisp b/src/pcl/env.lisp
index d793f9a..d074eb6 100644
--- a/src/pcl/env.lisp
+++ b/src/pcl/env.lisp
@@ -158,7 +158,14 @@
                          (eq :instance (slot-definition-allocation slot))))
             (if (slot-boundp-using-class class object slot)
                 (let ((value (slot-value-using-class class object slot)))
-                  (inits `(setf (slot-value ,object ',slot-name) ',value)))
+		  (if (typep object 'structure-object)
+		      ;; low-level but less noisy initializer form
+		      (let* ((dd (get-structure-dd (class-name class)))
+			     (dsd (find slot-name (dd-slots dd)
+					:key #'dsd-name)))
+			(inits `(,(slot-setter-lambda-form dd dsd)
+				 ',value ,object)))
+		      (inits `(setf (slot-value ,object ',slot-name) ',value))))
                 (inits `(slot-makunbound ,object ',slot-name))))))
       (values `(allocate-instance (find-class ',(class-name class)))
               `(progn ,@(inits))))))