From: Vibhav Pant <vibhavp@gmail.com>
Date: Sun, 4 Dec 2022 16:54:07 +0000 (+0530)
Subject: src/alloc.c: Fix incorrect pointer arithmetic.
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=aa9ca2c1493f1cd9d50698747fd054b1be53dc95;p=emacs.git

src/alloc.c: Fix incorrect pointer arithmetic.

* src/alloc.c (live_float_holding): Use parenthesis around the
pointer arithmetic expression to untag 'cp' correctly.
---

diff --git a/src/alloc.c b/src/alloc.c
index 31108837e5a..6b8a4cdcc02 100644
--- a/src/alloc.c
+++ b/src/alloc.c
@@ -5104,7 +5104,7 @@ live_float_holding (struct mem_node *m, void *p)
 	  && (b != float_block
 	      || offset / sizeof b->floats[0] < float_block_index))
 	{
-	  struct Lisp_Float *f = (struct Lisp_Float *) cp - off;
+	  struct Lisp_Float *f = (struct Lisp_Float *) (cp - off);
 #if GC_ASAN_POISON_OBJECTS
 	  if (__asan_region_is_poisoned (f, sizeof (*f)))
 	    return NULL;