* lisp/emacs-lisp/gv.el (gv-get): Warn about CL-compiled places.

2 files changed, 7 insertions, 1 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index bc34cbdcf0b..9088ca44af5 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,7 @@
+2013-09-04  Stefan Monnier  <monnier@iro.umontreal.ca>
+
+        * emacs-lisp/gv.el (gv-get): Warn about CL-compiled places.
+
 2013-09-04  Xue Fuqiao  <xfq.free@gmail.com>
 
         * vc/vc.el (vc-ignore): Rewrite.
diff --git a/lisp/emacs-lisp/gv.el b/lisp/emacs-lisp/gv.el
index 279ae582a05..8a5841a5fad 100644
--- a/lisp/emacs-lisp/gv.el
+++ b/lisp/emacs-lisp/gv.el
@@ -102,7 +102,9 @@ DO must return an Elisp expression."
               ;; Follow aliases.
               (setq me (cons (symbol-function head) (cdr place))))
           (if (eq me place)
-              (error "%S is not a valid place expression" place)
+              (if (and (symbolp head) (get head 'setf-method))
+                  (error "Incompatible place needs recompilation: %S" head)
+                (error "%S is not a valid place expression" place))
             (gv-get me do)))))))
 
 ;;;###autoload