From 66793492035d557aa022678f0f0b003039215507 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Zolt=C3=A1n=20Herczeg?= <hzmester@freemail.hu>
Date: Fri, 16 Jun 2017 10:27:02 +0000
Subject: [PATCH] Fix a match offset check in JIT.

---
 src/pcre2_jit_compile.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/src/pcre2_jit_compile.c b/src/pcre2_jit_compile.c
index 71bdb5e..31817ae 100644
--- a/src/pcre2_jit_compile.c
+++ b/src/pcre2_jit_compile.c
@@ -5130,8 +5130,6 @@ if (range_right < 0)
 
 SLJIT_ASSERT(range_right != offset);
 
-max -= 1;
-SLJIT_ASSERT(max > 0);
 if (common->match_end_ptr != 0)
   {
   OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), common->match_end_ptr);
@@ -5150,7 +5148,7 @@ OP1(SLJIT_MOV, RETURN_ADDR, 0, SLJIT_IMM, (sljit_sw)update_table);
 #endif
 
 start = LABEL();
-add_jump(compiler, &common->failed_match, CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0));
+add_jump(compiler, &common->failed_match, CMP(SLJIT_GREATER, STR_PTR, 0, STR_END, 0));
 
 #if PCRE2_CODE_UNIT_WIDTH == 8 || (defined SLJIT_LITTLE_ENDIAN && SLJIT_LITTLE_ENDIAN)
 OP1(SLJIT_MOV_U8, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(range_right));