From 6d5922bed5930b3ed453e9364c16ccd33ff45a86 Mon Sep 17 00:00:00 2001
From: Dmitry Stogov <dmitry@zend.com>
Date: Mon, 20 Dec 2021 23:52:46 +0300
Subject: [PATCH] JIT: Fix incorrect JIT prologur size for CLANG/x86 build

Fixes oss-fuzz #42724
---
 ext/opcache/jit/zend_jit_x86.dasc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ext/opcache/jit/zend_jit_x86.dasc b/ext/opcache/jit/zend_jit_x86.dasc
index 543d78a1dd2..48527b1076c 100644
--- a/ext/opcache/jit/zend_jit_x86.dasc
+++ b/ext/opcache/jit/zend_jit_x86.dasc
@@ -3440,7 +3440,7 @@ static int zend_jit_trace_link_to_root(dasm_State **Dst, zend_jit_trace_info *t,
 #if defined(__x86_64__) || defined(_M_X64)
 		prologue_size = 17;
 #else
-		prologue_size = 12;
+		prologue_size = 13;
 #endif
 	}
 	link_addr = (const void*)((const char*)t->code_start + prologue_size);