Merge branch 'PHP-5.6'

* PHP-5.6:
  Fixed bug #69732 (can induce segmentation fault with basic php code).

Zend/tests/bug69732.phpt

@@ -0,0 +1,30 @@
+--TEST--
+Bug #69732 (can induce segmentation fault with basic php code)
+--FILE--
+<?php
+class wpq {
+    private $unreferenced;
+ 
+    public function __get($name) {
+        return $this->$name . "XXX";
+    }
+}
+ 
+function ret_assoc() {
+	$x = "XXX";
+    return array('foo' => 'bar', $x);
+}
+ 
+$wpq = new wpq;
+$wpq->interesting =& ret_assoc();
+$x = $wpq->interesting;
+printf("%s\n", $x);
+--EXPECTF--
+Notice: Undefined property: wpq::$interesting in %sbug69732.php on line 6
+
+Notice: Indirect modification of overloaded property wpq::$interesting has no effect in %sbug69732.php on line 16
+
+Notice: Only variables should be assigned by reference in %sbug69732.php on line 16
+
+Notice: Undefined property: wpq::$interesting in %sbug69732.php on line 6
+XXX