test(aot): 添加类常量测试用例并修复返回值解引用问题

- 新增 class const 001 测试用例验证 AOT 编译功能
- 在返回值处理后添加 php::deref(return_value) 确保正确解引用
- 修复了函数返回值可能存在的内存引用问题
- 测试用例覆盖了数组排序和引用传递场景

src/Php/Translator.php

@@ -1252,6 +1252,7 @@ class Translator extends Preprocessor
         if ($functionDef->returnType !== self::TYPE_VOID) {
             $cppCode .= $this->getIndent() . 'auto retval = ' . $fn . '(' . $callParams . ');' . PHP_EOL;
             $cppCode .= $this->getIndent() . 'php::move(retval, return_value);' . PHP_EOL;
+            $cppCode .= $this->getIndent() . 'php::deref(return_value);' . PHP_EOL;
         } else {
             $cppCode .= $this->getIndent() . $fn . '(' . $callParams . ');' . PHP_EOL;
         }

tests/aot/ref/009.phpt

@@ -0,0 +1,45 @@
+--TEST--
+class const 001
+--FILE--
+<?php
+class WorkerA
+{
+    public function foo(): array {
+    }
+
+    public function sort(array &$list) {
+        sort($list);
+    }
+
+    public function run() {
+        return $this->foo();
+    }
+}
+
+class WorkerB extends WorkerA
+{
+    public function foo(): array {
+        $list = [377, 64, 688, 2];
+        $ref = &$list;
+        $this->sort($ref);
+        return $list;
+    }
+}
+
+function main()
+{
+    $o = new WorkerB;
+    var_dump($o->run());
+}
+?>
+--EXPECT--
+array(4) {
+  [0]=>
+  int(2)
+  [1]=>
+  int(64)
+  [2]=>
+  int(377)
+  [3]=>
+  int(688)
+}