From: Mike Pall <mike>
Date: Sat, 21 May 2022 10:00:10 +0000 (+0200)
Subject: Prevent C compiler undefined-behavior optimization.
X-Git-Tag: v2.1.ROLLING~71^2
X-Git-Url: http://git.ipfire.org/gitweb/gitweb.cgi?a=commitdiff_plain;h=bb7a30727e69eed5a196c1c9112c4991c5e22ccc;p=thirdparty%2FLuaJIT.git

Prevent C compiler undefined-behavior optimization.
---

diff --git a/src/lj_obj.h b/src/lj_obj.h
index 3e506bdb..ea8fe870 100644
--- a/src/lj_obj.h
+++ b/src/lj_obj.h
@@ -420,7 +420,7 @@ typedef struct GCtab {
 } GCtab;
 
 #define sizetabcolo(n)	((n)*sizeof(TValue) + sizeof(GCtab))
-#define tabref(r)	(&gcref((r))->tab)
+#define tabref(r)	((GCtab *)gcref((r)))
 #define noderef(r)	(mref((r), Node))
 #define nextnode(n)	(mref((n)->next, Node))