Fixed bug #52001 (Memory allocation problems after using variable variables)

Author: dstogov

Zend/tests/bug52001.phpt

@@ -0,0 +1,17 @@
+--TEST--
+Bug #52001 (Memory allocation problems after using variable variables)
+--FILE--
+<?php
+a(0,$$var);
+
+$temp1=1;
+$temp2=2;
+var_dump($temp1);
+
+function a($b,$c) {}
+?>
+--EXPECTF--
+Notice: Undefined variable: var in %sbug52001.php on line 2
+
+Notice: Undefined variable:  in %sbug52001.php on line 2
+int(1)