Do not add a ref to EX(object) on generator clone

If a ref has to be added it will be already added while walking the call
slots.

1 files changed, 20 insertions, 0 deletions

diff --git a/Zend/tests/generators/clone_after_object_call.phpt b/Zend/tests/generators/clone_after_object_call.phpt
new file mode 100644
index 0000000000..0a424268cc
--- /dev/null
+++ b/Zend/tests/generators/clone_after_object_call.phpt
@@ -0,0 +1,20 @@
+--TEST--
+Cloning a generator after an object method was called
+--FILE--
+<?php
+
+class A { public function b() { } }
+
+function gen() {
+    $a = new A;
+    $a->b();
+    yield;
+}
+
+$g1 = gen();
+$g1->rewind();
+$g2 = clone $g1; 
+
+echo "Done";
+--EXPECT--
+Done