Index: ext/spl/spl_observer.c
===================================================================
--- ext/spl/spl_observer.c	(revision 319073)
+++ ext/spl/spl_observer.c	(working copy)
@@ -844,6 +844,9 @@
 	count = Z_LVAL_P(pcount);
 	zval_ptr_dtor(&pcount);
 		
+	PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
+	PHP_VAR_UNSERIALIZE_INIT(var_hash);
+
 	while(count-- > 0) {
 		spl_SplObjectStorageElement *pelement;
 		char *hash;