diff --git a/phpunit/code/re-assign-obj-to-array.php b/phpunit/code/re-assign-obj-to-array.php
new file mode 100644
index 00000000..15437dde
--- /dev/null
+++ b/phpunit/code/re-assign-obj-to-array.php
@@ -0,0 +1,7 @@
+<?php
+
+function main()
+{
+    $obj = [];
+    $obj = new stdClass();
+}
\ No newline at end of file
diff --git a/phpunit/code/re-assign-str-to-obj.php b/phpunit/code/re-assign-str-to-obj.php
new file mode 100644
index 00000000..53dbca11
--- /dev/null
+++ b/phpunit/code/re-assign-str-to-obj.php
@@ -0,0 +1,15 @@
+<?php
+function bar()
+{
+    return 'string';
+}
+function foo(stdClass $o)
+{
+    $o = bar();
+}
+
+function main()
+{
+    $obj = new stdClass();
+    foo($obj);
+}
\ No newline at end of file