From 52b6d4459f3a993956ac3cd8b476a209b6d13058 Mon Sep 17 00:00:00 2001
From: "Richard M. Stallman" <rms@gnu.org>
Date: Tue, 14 Jun 1994 00:34:43 +0000
Subject: [PATCH] (pop-global-mark): Discard entries for nonexistent buffers.

---
 lisp/simple.el | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lisp/simple.el b/lisp/simple.el
index 6dbfccad589..e91ed2a51b8 100644
--- a/lisp/simple.el
+++ b/lisp/simple.el
@@ -1450,6 +1450,9 @@ incremental search, \\[beginning-of-buffer], and \\[end-of-buffer]."
 (defun pop-global-mark ()
   "Pop off global mark ring and jump to the top location."
   (interactive)
+  ;; Pop entries which refer to non-existent buffers.
+  (while (and global-mark-ring (not (marker-buffer (car global-mark-ring))))
+    (setq global-mark-ring (cdr global-mark-ring)))
   (or global-mark-ring
       (error "No global mark set"))
   (let* ((marker (car global-mark-ring))
-- 
2.39.5