From 5ce1a9bfef782d3df453d8125b71b05499081950 Mon Sep 17 00:00:00 2001
From: daanx <daan@effp.org>
Date: Fri, 1 Mar 2024 18:58:11 -0800
Subject: [PATCH] fix cas call

---
 src/arena.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/arena.c b/src/arena.c
index 0875e49e..00132bf8 100644
--- a/src/arena.c
+++ b/src/arena.c
@@ -751,7 +751,8 @@ bool _mi_arena_segment_clear_abandoned(mi_segment_t* segment )
   if (segment->memid.memkind != MI_MEM_ARENA) {
     // not in an arena, consider it un-abandoned now.
     // but we need to still claim it atomically -- we use the thread_id for that.
-    if (mi_atomic_cas_strong_acq_rel(&segment->thread_id, 0, _mi_thread_id())) {
+    size_t expected = 0;
+    if (mi_atomic_cas_strong_acq_rel(&segment->thread_id, &expected, _mi_thread_id())) {
       mi_atomic_decrement_relaxed(&abandoned_count);
       return true;
     }