From 57c6e43346937c74587be09e6209b92d13524702 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Steven=20Dee=20=28J=C5=8Dshin=29?= <git@wholezero.org>
Date: Sat, 31 Aug 2024 16:19:51 -0700
Subject: [PATCH] Use unsigned-signed conversion for refs test

---
 ctl/shared_ptr.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ctl/shared_ptr.h b/ctl/shared_ptr.h
index 40e7a1a7d..f673d8aa7 100644
--- a/ctl/shared_ptr.h
+++ b/ctl/shared_ptr.h
@@ -43,8 +43,8 @@ incref(size_t* r) noexcept
 #ifdef NDEBUG
     __atomic_fetch_add(r, 1, __ATOMIC_RELAXED);
 #else
-    size_t refs = __atomic_fetch_add(r, 1, __ATOMIC_RELAXED);
-    if (refs > ((size_t)-1) >> 1)
+    ssize_t refs = __atomic_fetch_add(r, 1, __ATOMIC_RELAXED);
+    if (refs < 0)
         __builtin_trap();
 #endif
 }