(eval-last-sexp): Don't cons a new symbol each time.

(eval-last-sexp-fake-value): New variable.

diff --git a/lisp/emacs-lisp/lisp-mode.el b/lisp/emacs-lisp/lisp-mode.el
index d471ad7..df05555 100644 (file)
--- a/lisp/emacs-lisp/lisp-mode.el
+++ b/lisp/emacs-lisp/lisp-mode.el
@@ -555,13 +555,15 @@ With argument, print output into current buffer."
        ))))
 
 
+(defvar eval-last-sexp-fake-value (make-symbol "t"))
+
 (defun eval-last-sexp (eval-last-sexp-arg-internal)
   "Evaluate sexp before point; print value in minibuffer.
 Interactively, with prefix argument, print output into current buffer."
   (interactive "P")
   (if (null eval-expression-debug-on-error)
       (eval-last-sexp-1 eval-last-sexp-arg-internal)
-    (let ((old-value (make-symbol "t")) new-value value)
+    (let ((old-value eval-last-sexp-fake-value) new-value value)
       (let ((debug-on-error old-value))
        (setq value (eval-last-sexp-1 eval-last-sexp-arg-internal))
        (setq new-value debug-on-error))