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-rw-r--r--Zend/tests/generators/bug69419.phpt22
1 files changed, 22 insertions, 0 deletions
diff --git a/Zend/tests/generators/bug69419.phpt b/Zend/tests/generators/bug69419.phpt
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index 0000000000..dce08edb7e
--- /dev/null
+++ b/Zend/tests/generators/bug69419.phpt
@@ -0,0 +1,22 @@
+--TEST--
+Bug #69419: Returning compatible sub generator produces a warning
+--FILE--
+<?php
+
+function & genRefInner() {
+ $var = 1;
+ yield $var;
+}
+
+function & genRefOuter() {
+ return genRefInner();
+}
+
+foreach(genRefOuter() as $i) {
+ var_dump($i);
+}
+
+?>
+--EXPECTF--
+Notice: Only variable references should be returned by reference in %s on line %d
+int(1)