1 files changed, 48 insertions, 0 deletions
diff --git a/Zend/tests/bug64720.phpt b/Zend/tests/bug64720.phpt
new file mode 100644
index 0000000000..6c33165bb5
--- /dev/null
+++ b/Zend/tests/bug64720.phpt
@@ -0,0 +1,48 @@
+--TEST--
+Bug #64720 (SegFault on zend_deactivate)
+--FILE--
+<?php
+class Stat {
+    private static $requests;
+    public static function getInstance() {
+        if (!isset(self::$requests[1])) {
+            self::$requests[1] = new self();
+        }
+        return self::$requests[1];
+    }
+    
+    public function __destruct() {
+        unset(self::$requests[1]);
+    }
+}
+
+class Foo {
+    public function __construct() {
+        Stat::getInstance();
+    }
+}
+
+class Error {
+    private $trace;
+    public function __construct() {
+        $this->trace = debug_backtrace(1);
+    }
+}
+
+class Bar {
+    public function __destruct() {
+        Stat::getInstance();
+        new Error();
+    }
+
+    public function test() {
+        new Error();
+    }
+}
+
+$foo = new Foo();
+$bar = new Bar();
+$bar->test();
+?>
+--EXPECTF--
+Fatal error: Access to undeclared static property: Stat::$requests in %sbug64720.php on line 12