(prepare_menu_bars): Call x_consider_frame_title

only if windows_or_buffers_changed.

diff --git a/src/xdisp.c b/src/xdisp.c
index e241b59e55b79f21a0da9082f151f990b5f7f332..fc9a11a4cc2b178df79945f59b99f2b5ffd2dab6 100644 (file)
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -456,14 +456,15 @@ prepare_menu_bars ()
                 || clip_changed || windows_or_buffers_changed);
 
 #ifdef HAVE_X_WINDOWS
-  {
-    Lisp_Object tail, frame;
+  if (windows_or_buffers_changed)
+    {
+      Lisp_Object tail, frame;
 
-    FOR_EACH_FRAME (tail, frame)
-      if (FRAME_VISIBLE_P (XFRAME (frame))
-         || FRAME_ICONIFIED_P (XFRAME (frame)))
-       x_consider_frame_title (frame);
-  }
+      FOR_EACH_FRAME (tail, frame)
+       if (FRAME_VISIBLE_P (XFRAME (frame))
+           || FRAME_ICONIFIED_P (XFRAME (frame)))
+         x_consider_frame_title (frame);
+    }
 #endif
 
   /* Update the menu bar item lists, if appropriate.