From: Nikita Popov <nikita.ppv@gmail.com>
Date: Fri, 12 Jan 2018 17:37:47 +0000 (+0100)
Subject: Avoid duplicate addition of generators in yield from tree
X-Git-Tag: php-7.3.0alpha1~647
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=27f09efa1156951255756f236d923aac2a580786;p=php

Avoid duplicate addition of generators in yield from tree
---

diff --git a/Zend/zend_generators.c b/Zend/zend_generators.c
index 6c2495d69d..6548762dbb 100644
--- a/Zend/zend_generators.c
+++ b/Zend/zend_generators.c
@@ -546,8 +546,6 @@ static void zend_generator_add_child(zend_generator *generator, zend_generator *
 			next->node.ptr.leaf = leaf;
 			next = next->node.parent;
 		}
-
-		zend_generator_add_single_child(&generator->node, child, leaf);
 	} else if (generator->node.children == 1) {
 		multi_children_node = zend_generator_search_multi_children_node(&generator->node);
 		if (multi_children_node) {