Add dedicated test for anon class names

Zend/tests/anon_class_name.phpt

@@ -0,0 +1,30 @@
+--TEST--
+Generated names for anonymous classes
+--FILE--
+<?php
+
+namespace DeclaringNS {
+    class Test1 {}
+    interface Test2 {}
+    interface Test3 {}
+}
+
+namespace UsingNS {
+    function print_name(object $obj) {
+        echo strstr(get_class($obj), "\0", true), "\n";
+    }
+
+    print_name(new class {});
+    print_name(new class extends \DeclaringNS\Test1 {});
+    print_name(new class extends \DeclaringNS\Test1 implements \DeclaringNS\Test2 {});
+    print_name(new class implements \DeclaringNS\Test2 {});
+    print_name(new class implements \DeclaringNS\Test2, \DeclaringNS\Test3 {});
+}
+
+?>
+--EXPECT--
+class@anonymous
+DeclaringNS\Test1@anonymous
+DeclaringNS\Test1@anonymous
+DeclaringNS\Test2@anonymous
+DeclaringNS\Test2@anonymous