Merge branch 'PHP-8.4' into PHP-8.5

* PHP-8.4:
  Fix GH-24534: inheritance cache records unlinked child dependencies

Author: devnexen

Zend/zend_inheritance.c

@@ -405,7 +405,7 @@ static void track_class_dependency(zend_class_entry *ce, zend_string *class_name
 
 	ht = (HashTable*)CG(current_linking_class)->inheritance_cache;
 
-	if (!(ce->ce_flags & ZEND_ACC_IMMUTABLE)) {
+	if (!(ce->ce_flags & ZEND_ACC_IMMUTABLE) || !(ce->ce_flags & ZEND_ACC_LINKED)) {
 		// TODO: dependency on not-immutable class ???
 		if (ht) {
 			zend_hash_destroy(ht);

ext/opcache/tests/gh24534.phpt

@@ -0,0 +1,95 @@
+--TEST--
+GH-24534: Inheritance cache must not record an unlinked child as a dependency
+--CREDITS--
+Wim Winterberg
+--EXTENSIONS--
+opcache
+--CONFLICTS--
+server
+--FILE--
+<?php
+$dir = __DIR__ . '/gh24534';
+@mkdir($dir . '/src', 0777, true);
+
+file_put_contents($dir . '/autoload.php', <<<'PHP'
+<?php
+spl_autoload_register(static function (string $class): void {
+    $file = __DIR__ . '/src/' . $class . '.php';
+    if (is_file($file)) {
+        require $file;
+    }
+});
+PHP);
+
+file_put_contents($dir . '/src/EntityInterface.php', <<<'PHP'
+<?php
+interface EntityInterface
+{
+    public static function getById(int $id): ?self;
+}
+PHP);
+
+file_put_contents($dir . '/src/Entity.php', <<<'PHP'
+<?php
+abstract class Entity implements EntityInterface
+{
+    protected array $data = [];
+}
+PHP);
+
+file_put_contents($dir . '/src/UserBase.php', <<<'PHP'
+<?php
+abstract class UserBase extends Entity
+{
+    public const TABLE = 'user';
+
+    protected ?int $userId = null;
+
+    public static function getById(int $id): ?User
+    {
+        return null;
+    }
+}
+PHP);
+
+file_put_contents($dir . '/src/User.php', <<<'PHP'
+<?php
+class User extends UserBase
+{
+}
+PHP);
+
+file_put_contents($dir . '/base-first.php', <<<'PHP'
+<?php
+require __DIR__ . '/autoload.php';
+echo 'base-first: ', UserBase::TABLE, PHP_EOL;
+PHP);
+
+file_put_contents($dir . '/child-first.php', <<<'PHP'
+<?php
+require __DIR__ . '/autoload.php';
+echo 'child-first: ', User::TABLE, PHP_EOL;
+PHP);
+
+include 'php_cli_server.inc';
+$ini = trim((string) getenv('TEST_PHP_EXTRA_ARGS'));
+$ini .= ($ini !== '' ? ' ' : '') . '-d opcache.enable=1 -d opcache.enable_cli=1 -d opcache.file_update_protection=0';
+php_cli_server_start($ini);
+
+foreach (['base-first', 'child-first', 'base-first'] as $page) {
+    echo file_get_contents('http://' . PHP_CLI_SERVER_ADDRESS . '/gh24534/' . $page . '.php');
+}
+?>
+--CLEAN--
+<?php
+$dir = __DIR__ . '/gh24534';
+foreach (['src/EntityInterface.php', 'src/Entity.php', 'src/UserBase.php', 'src/User.php', 'autoload.php', 'base-first.php', 'child-first.php'] as $file) {
+    @unlink($dir . '/' . $file);
+}
+@rmdir($dir . '/src');
+@rmdir($dir);
+?>
+--EXPECT--
+base-first: user
+child-first: user
+base-first: user