*** empty log message ***

1 files changed, 4 insertions, 1 deletions

diff --git a/lisp/add-log.el b/lisp/add-log.el
index 3e9061bfef3..8b652fe7989 100644
--- a/lisp/add-log.el
+++ b/lisp/add-log.el
@@ -239,7 +239,10 @@ Has a preference of looking backwards."
             ((and (or (eq major-mode 'c-mode)
                       (eq major-mode 'c++-mode))
                   (save-excursion (beginning-of-line)
-                                  (while (= (char-after (- (point) 2)) ?\\)
+                                  ;; Use eq instead of = here to avoid
+                                  ;; error when at bob and char-after
+                                  ;; returns nil.
+                                  (while (eq (char-after (- (point) 2)) ?\\)
                                     (forward-line -1))
                                   (looking-at "[ \t]*#[ \t]*define[ \t]")))
              ;; Handle a C macro definition.