From 260591127295864cb8275309d704ab5e23fd4c89 Mon Sep 17 00:00:00 2001
From: Dmitry Stogov <dmitry@zend.com>
Date: Mon, 1 Nov 2021 22:19:10 +0300
Subject: [PATCH] Tracing JIT: Fixed reference counting when escape because of
 IS_UNDEF element (test)

---
 ext/opcache/tests/jit/fetch_dim_r_009.phpt | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 ext/opcache/tests/jit/fetch_dim_r_009.phpt

diff --git a/ext/opcache/tests/jit/fetch_dim_r_009.phpt b/ext/opcache/tests/jit/fetch_dim_r_009.phpt
new file mode 100644
index 00000000000..2c512c9ca20
--- /dev/null
+++ b/ext/opcache/tests/jit/fetch_dim_r_009.phpt
@@ -0,0 +1,22 @@
+--TEST--
+JIT FETCH_DIM_R: 009
+--INI--
+opcache.enable=1
+opcache.enable_cli=1
+opcache.file_update_protection=0
+opcache.jit_buffer_size=1M
+--FILE--
+<?php
+$ary = [[0]];
+for ($i = 2; $i < 5; $i++) {
+    var_dump($ary[0][$i>>1]);
+    $ary[0][$i] = 1;
+}
+?>
+--EXPECTF--
+Warning: Undefined array key 1 in %sfetch_dim_r_009.php on line 4
+NULL
+
+Warning: Undefined array key 1 in %sfetch_dim_r_009.php on line 4
+NULL
+int(1)