Backport tests

Zend/tests/bug75420.7.phpt

@@ -0,0 +1,17 @@
+--TEST--
+Bug #75420.7 (Indirect modification of magic method argument)
+--FILE--
+<?php
+class Test {
+	public function __set($x,$v) { $GLOBALS["name"] = 24; var_dump($x); }
+}
+
+$obj = new Test;
+$name = "foo";
+$name = str_repeat($name, 2);
+$obj->$name = 1;
+var_dump($name);
+?>
+--EXPECT--
+string(6) "foofoo"
+int(24)

Zend/tests/bug75420.8.phpt

@@ -0,0 +1,17 @@
+--TEST--
+Bug #75420.8 (Indirect modification of magic method argument)
+--FILE--
+<?php
+class Test {
+	public function __set($x,$v) { $GLOBALS["obj"] = 24; var_dump($this); }
+}
+
+$obj = new Test;
+$name = "foo";
+$obj->$name = 1;
+var_dump($obj);
+?>
+--EXPECT--
+object(Test)#1 (0) {
+}
+int(24)