Fix preload generation when project is installed in root folder

jderusse · jderusse · commit fe1882c08dda · 2019-12-05T17:54:58.000+01:00
diff --git a/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php b/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php
@@ -209,7 +209,7 @@ public function dump(array $options = [])
 
             if (3 <= $i) {
                 $regex = '';
-                $lastOptionalDir = $i > 8 ? $i - 5 : 3;
+                $lastOptionalDir = $i > 8 ? $i - 5 : $i - 3;
                 $this->targetDirMaxMatches = $i - $lastOptionalDir;
 
                 while (--$i >= $lastOptionalDir) {
