change semantic to use derived-mode-p

* lisp/cedet/semantic.el (semantic-new-buffer-fcn): Use derived-mode-p.

1 files changed, 1 insertions, 1 deletions

diff --git a/lisp/cedet/semantic.el b/lisp/cedet/semantic.el
index bf5bfa89caf..a3c03dc4604 100644
--- a/lisp/cedet/semantic.el
+++ b/lisp/cedet/semantic.el
@@ -329,7 +329,7 @@ If the major mode is ready for Semantic, and no
 to use Semantic, and `semantic-init-hook' is run."
   ;; In upstream Semantic, the parser setup functions are called from
   ;; mode hooks.  In the version bundled with Emacs, we do it here.
-  (let ((entry (assq major-mode semantic-new-buffer-setup-functions)))
+  (let ((entry (cl-assoc-if #'derived-mode-p semantic-new-buffer-setup-functions)))
     (when entry
       (funcall (cdr entry))))
   ;; Do stuff if semantic was activated by a mode hook in this buffer,