[Emacs-diffs] /srv/bzr/emacs/trunk r107432: * alloc.c (mark_memory): Conditionalize recent fix on USE_USB_TAG.

[Paul Eggert]

------------------------------------------------------------
revno: 107432
committer: Paul Eggert <address@hidden>
branch nick: trunk
timestamp: Sat 2012-02-25 17:09:59 -0800
message:
  * alloc.c (mark_memory): Conditionalize recent fix on USE_USB_TAG.
modified:
  src/alloc.c

=== modified file 'src/alloc.c'
--- a/src/alloc.c       2012-02-25 19:39:42 +0000
+++ b/src/alloc.c       2012-02-26 01:09:59 +0000
@@ -4312,12 +4312,14 @@
        void *w = *(void **) ((char *) pp + i);
        mark_maybe_pointer (w);
 
+#ifdef USE_LSB_TAG
        /* A host where a Lisp_Object is wider than a pointer might
           allocate a Lisp_Object in non-adjacent halves.  If
           USE_LSB_TAG, the bottom half is not a valid pointer, so
           widen it to to a Lisp_Object and check it that way.  */
        if (sizeof w < sizeof (Lisp_Object))
          mark_maybe_object (widen_to_Lisp_Object (w));
+#endif
       }
 }