From c56811bb7acf40174ac9b63e69f58b42adf85bd7 Mon Sep 17 00:00:00 2001
From: Mike Pall <mike>
Date: Thu, 21 Jan 2010 19:42:51 +0100
Subject: [PATCH] Fix undefined behavior in table resizing calculation.

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

diff --git a/src/lj_tab.c b/src/lj_tab.c
index afbdc8aa..43737aa9 100644
--- a/src/lj_tab.c
+++ b/src/lj_tab.c
@@ -357,7 +357,8 @@ static void rehashtab(lua_State *L, GCtab *t, cTValue *ek)
   uint32_t total, asize, na, i;
   for (i = 0; i < LJ_MAX_ABITS; i++) bins[i] = 0;
   asize = countarray(t, bins);
-  total = 1 + asize + counthash(t, bins, &asize);
+  total = 1 + asize;
+  total += counthash(t, bins, &asize);
   asize += countint(ek, bins);
   na = bestasize(bins, &asize);
   total -= na;