From d686217926b75e6f93044b190943ad098d103bfe Mon Sep 17 00:00:00 2001
From: Mike Pall <mike>
Date: Fri, 24 May 2013 01:28:40 +0200
Subject: [PATCH] Add missing PHI barrier to string.sub(str, a, b) == kstr FOLD
 rule.

---
 src/lj_opt_fold.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/lj_opt_fold.c b/src/lj_opt_fold.c
index 664550f1..fe37b98a 100644
--- a/src/lj_opt_fold.c
+++ b/src/lj_opt_fold.c
@@ -1819,6 +1819,7 @@ LJFOLDF(merge_eqne_snew_kgc)
 #define FOLD_SNEW_TYPE8		IRT_U8  /* Prefer unsigned loads. */
 #endif
 
+  PHIBARRIER(fleft);
   if (len <= FOLD_SNEW_MAX_LEN) {
     IROp op = (IROp)fins->o;
     IRRef strref = fleft->op1;