feature/asan-gc-poisoning aa9ca2c1493 2/2: src/alloc.c: Fix incorrect pointer arithmetic.

[Vibhav Pant]

branch: feature/asan-gc-poisoning
commit aa9ca2c1493f1cd9d50698747fd054b1be53dc95
Author: Vibhav Pant <vibhavp@gmail.com>
Commit: Vibhav Pant <vibhavp@gmail.com>

    src/alloc.c: Fix incorrect pointer arithmetic.
    
    * src/alloc.c (live_float_holding): Use parenthesis around the
    pointer arithmetic expression to untag 'cp' correctly.
---
 src/alloc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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;