Added test

Zend/tests/try/bug70228_4.phpt

@@ -0,0 +1,32 @@
+--TEST--
+Bug #70228 (memleak if return in finally block)
+--FILE--
+<?php
+function test() {
+    try {
+        throw new Exception(1);
+    } finally {
+        try {
+            try {
+                try {
+                } finally {
+                    return 42;
+                }
+            } finally {
+                throw new Exception(3);
+            }
+        } catch (Exception $e) {}
+    }
+}
+
+try {
+    var_dump(test());
+} catch (Exception $e) {
+    do {
+        echo $e->getMessage() . "\n";
+        $e = $e->getPrevious();
+    } while ($e);
+}
+?>
+--EXPECT--
+1