(Fclrhash): Return TABLE.

[bpt/emacs.git] / src / marker.c

diff --git a/src/marker.c b/src/marker.c
index a57dafa..4aa44ac 100644 (file)
--- a/src/marker.c
+++ b/src/marker.c
@@ -1,6 +1,6 @@
 /* Markers: examining, setting and deleting.
    Copyright (C) 1985, 1997, 1998, 2001, 2002, 2003, 2004,
-                 2005, 2006, 2007  Free Software Foundation, Inc.
+                 2005, 2006, 2007, 2008  Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
@@ -452,9 +452,12 @@ Returns nil if MARKER points into a dead buffer.  */)
   if (XMARKER (marker)->buffer)
     {
       XSETBUFFER (buf, XMARKER (marker)->buffer);
-      /* Return marker's buffer only if it is not dead.  */
-      if (!NILP (XBUFFER (buf)->name))
-       return buf;
+      /* If the buffer is dead, we're in trouble: the buffer pointer here
+        does not preserve the buffer from being GC'd (it's weak), so
+        markers have to be unlinked from their buffer as soon as the buffer
+        is killed.  */
+      eassert (!NILP (XBUFFER (buf)->name));
+      return buf;
     }
   return Qnil;
 }