fix(php): 修复引用参数传递中的静态属性处理问题

- 在引用参数解析中添加临时变量处理以支持引用类型参数
- 为静态属性获取器添加 toReference() 方法调用支持
- 添加新的测试用例验证静态属性引用操作的正确性
- 优化编译器对 nativeProperty 属性的引用值处理逻辑

src/Php/CompilerBase.php

@@ -3055,7 +3055,10 @@ class CompilerBase extends \PhpAot\Core\Translator
                     if ($this->isScalar($arg->value)) {
                         $this->fatalError($arg, 'The constants cannot be used as an argument for a reference-type parameter');
                     }
-                    $list_args[] = $this->parseChainedExpr($arg->value, self::OP_REFVAL);
+                    $tmpRef = $this->genTmpVarName();
+                    $this->addLocalVar($tmpRef, self::TYPE_REF);
+                    $this->context->beforeStmtLines[] = $tmpRef . ' = ' . $this->parseChainedExpr($arg->value, self::OP_REFVAL) . ';';
+                    $list_args[] = '&' . $tmpRef;
                     continue;
                 }
             }
@@ -4478,12 +4481,18 @@ class CompilerBase extends \PhpAot\Core\Translator
         if ($this->isPropertyFetch($expr) and $this->isVarExpr($expr->var) and $this->isIdExpr($expr->name)) {
             $prop = $this->parsePropertyFetch($expr);
             if ($expr->hasAttribute('nativeProperty')) {
+                if ($op === self::OP_REFVAL) {
+                    return $prop . '.toReference()';
+                }
                 return $fn . '(' . $prop . ')';
             }
         }
         if ($this->isStaticPropertyFetch($expr) and $this->isNameExpr($expr->class) and $this->isIdExpr($expr->name)) {
             $prop = $this->parseStaticPropertyFetch($expr);
             if ($expr->hasAttribute('nativeProperty')) {
+                if ($op === self::OP_REFVAL) {
+                    return $prop . '.toReference()';
+                }
                 return $fn . '(' . $prop . ')';
             }
         }

tests/aot/ref/ref-static-prop.phpt

@@ -0,0 +1,41 @@
+--TEST--
+object link operator
+--FILE--
+<?php
+class StackHolder
+{
+    public static array $stack = [];
+
+    public static function push(string $item): void
+    {
+        self::$stack[] = $item;
+    }
+
+    public static function pop(): void
+    {
+        array_pop(self::$stack);
+    }
+
+    public static function count(): int
+    {
+        return count(self::$stack);
+    }
+}
+
+function main(): int
+{
+    StackHolder::push('a');
+    StackHolder::push('b');
+    StackHolder::pop();
+
+    if (StackHolder::count() !== 1) {
+        echo "FAIL: expected 1, got " . StackHolder::count() . "\n";
+        return 1;
+    }
+
+    echo "OK\n";
+    return 0;
+}
+?>
+--EXPECT--
+OK