From a9a769fba6dd1f3db1777c48b81f6d50627d5001 Mon Sep 17 00:00:00 2001 From: Paul Eggert Date: Sat, 25 Feb 2012 17:09:59 -0800 Subject: [PATCH] * alloc.c (mark_memory): Conditionalize recent fix on USE_USB_TAG. --- src/alloc.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/src/alloc.c b/src/alloc.c index 21c4db4ddca..a3e8033db18 100644 --- a/src/alloc.c +++ b/src/alloc.c @@ -4312,12 +4312,14 @@ mark_memory (void *start, void *end) 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 } } -- 2.39.2