From 8aa91abcfc22ca3da693267e3f186544fed3e740 Mon Sep 17 00:00:00 2001
From: "K.Kosako" <kosako@sofnec.co.jp>
Date: Fri, 20 Sep 2019 15:02:11 +0900
Subject: [PATCH] fix: add data ensure check before peek string value in
 OP_PUSH_IF_PEEK_NEXT

---
 src/regexec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/regexec.c b/src/regexec.c
index 40642c7..f8bccc3 100644
--- a/src/regexec.c
+++ b/src/regexec.c
@@ -3759,7 +3759,7 @@ match_at(regex_t* reg, const UChar* str, const UChar* end,
 
         addr = p->push_if_peek_next.addr;
         c    = p->push_if_peek_next.c;
-        if (c == *s) {
+        if (DATA_ENSURE_CHECK1 && c == *s) {
           STACK_PUSH_ALT(p + addr, s, sprev);
           INC_OP;
           JUMP_OUT;
-- 
2.40.0