From a06b5bde22a0d822571e7256c719624c3e158780 Mon Sep 17 00:00:00 2001
From: Moriyoshi Koizumi <moriyoshi@php.net>
Date: Tue, 4 Mar 2003 19:52:22 +0000
Subject: [PATCH] Added a test case for bug #22510

---
 tests/lang/bug22510.phpt | 115 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 115 insertions(+)
 create mode 100644 tests/lang/bug22510.phpt

diff --git a/tests/lang/bug22510.phpt b/tests/lang/bug22510.phpt
new file mode 100644
index 0000000000..ce5ce01358
--- /dev/null
+++ b/tests/lang/bug22510.phpt
@@ -0,0 +1,115 @@
+--TEST--
+Bug #22510 (segfault among complex references)
+--FILE--
+<?php
+class foo 
+{
+	var $list = array();
+
+	function finalize() {
+		print __CLASS__."::".__FUNCTION__."\n";
+		$cl = &$this->list;
+	}
+
+	function &method1() {
+		print __CLASS__."::".__FUNCTION__."\n";
+		return @$this->foo;
+	}
+
+	function &method2() {
+		print __CLASS__."::".__FUNCTION__."\n";
+		return $this->foo;
+	}
+
+	function method3() {
+		print __CLASS__."::".__FUNCTION__."\n";
+		return @$this->foo;
+	}
+}
+
+class bar 
+{
+	function run1() {
+		print __CLASS__."::".__FUNCTION__."\n";
+		$this->instance = new foo();
+		$this->instance->method1($this);
+		$this->instance->method1($this);
+	}
+
+	function run2() {
+		print __CLASS__."::".__FUNCTION__."\n";
+		$this->instance = new foo();
+		$this->instance->method2($this);
+		$this->instance->method2($this);
+	}
+
+	function run3() {
+		print __CLASS__."::".__FUNCTION__."\n";
+		$this->instance = new foo();
+		$this->instance->method3($this);
+		$this->instance->method3($this);
+	}
+}
+
+function ouch(&$bar) {
+	print __FUNCTION__."\n";
+	@$a = $a;
+	$bar->run1();
+}
+
+function ok1(&$bar) {
+	print __FUNCTION__."\n";
+	$bar->run1();
+}
+
+function ok2(&$bar) {
+	print __FUNCTION__."\n";
+	@$a = $a; 
+	$bar->run2();
+}
+
+function ok3(&$bar) {
+	print __FUNCTION__."\n";
+	@$a = $a;
+	$bar->run3();
+}
+
+$bar = &new bar();
+ok1($bar);
+$bar->instance->finalize();
+print "done!\n";
+ok2($bar);
+$bar->instance->finalize();
+print "done!\n";
+ok3($bar);
+$bar->instance->finalize();
+print "done!\n";
+ouch($bar);
+$bar->instance->finalize();
+print "I'm alive!\n";
+?>
+--EXPECT--
+ok1
+bar::run1
+foo::method1
+foo::method1
+foo::finalize
+done!
+ok2
+bar::run2
+foo::method2
+foo::method2
+foo::finalize
+done!
+ok3
+bar::run3
+foo::method3
+foo::method3
+foo::finalize
+done!
+ouch
+bar::run1
+foo::method1
+foo::method1
+foo::finalize
+I'm alive!
-- 
2.50.1