From 838009ba2b8ea1e99061c66e0fbd9cb53a96ec20 Mon Sep 17 00:00:00 2001
From: Josh Haberman <jhaberman@gmail.com>
Date: Fri, 8 May 2015 17:20:55 -0700
Subject: Fixes for the open-source build.

---
 upb/bindings/lua/upb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'upb/bindings/lua/upb.c')

diff --git a/upb/bindings/lua/upb.c b/upb/bindings/lua/upb.c
index 5ad0235..b35af24 100644
--- a/upb/bindings/lua/upb.c
+++ b/upb/bindings/lua/upb.c
@@ -1358,7 +1358,7 @@ static size_t align_up(size_t val, size_t align) {
 
 // If we always read/write as a consistent type to each value, this shouldn't
 // violate aliasing.
-#define DEREF(msg, ofs, type) *(type*)(&msg->data[ofs])
+#define DEREF(msg, ofs, type) *(type*)((char*)msg + sizeof(lupb_msg) + ofs)
 
 lupb_msg *lupb_msg_check(lua_State *L, int narg) {
   lupb_msg *msg = luaL_checkudata(L, narg, LUPB_MSG);
-- 
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