Reproduce autoloader bug

Author: staabm

.github/workflows/e2e-tests.yml

@@ -390,7 +390,10 @@ jobs:
               cd e2e/composer-version-config
               composer install
               ../../bin/phpstan analyze test.php --level=0
-
+          - script: |
+              cd e2e/bug-12972b
+              composer install
+              ../../bin/phpstan analyze
     steps:
       - name: "Checkout"
         uses: actions/checkout@v4

e2e/bug-12972b/.gitignore

@@ -0,0 +1,2 @@
+/vendor/
+composer.lock

e2e/bug-12972b/autoloader.php

@@ -0,0 +1,9 @@
+<?php
+
+require_once __DIR__ . '/vendor/autoload.php';
+
+spl_autoload_register(function($class) {
+	if ($class === \other12972\MyClass::class) {
+		throw new LogicException('this should not happen');
+	}
+});

e2e/bug-12972b/composer.json

@@ -0,0 +1,7 @@
+{
+	"autoload": {
+		"classmap": [
+			"src/"
+		]
+	}
+}

e2e/bug-12972b/phpstan.dist.neon

@@ -0,0 +1,8 @@
+parameters:
+    level: 9
+
+    paths:
+        - src
+
+    bootstrapFiles:
+        - autoloader.php

e2e/bug-12972b/real-world.php

@@ -0,0 +1,5 @@
+<?php
+
+require 'autoloader.php';
+
+new \Foo12972\MyRoot();

e2e/bug-12972b/src/folder/file2.php

@@ -0,0 +1,9 @@
+<?php
+
+namespace Foo12972;
+
+use other12972\MyClass;
+
+class MyRoot {
+	function doBar(MyClass $myClass):void {}
+}

e2e/bug-12972b/src/other/file.php

@@ -0,0 +1,10 @@
+<?php
+
+namespace other12972;
+
+class MyClass {
+	public function doSomething(): int
+	{
+		return 1;
+	}
+}