[DebugClassLoader] Ignore __constructor() when checking return types

Author: wouterj

DebugClassLoader.php

@@ -750,6 +750,10 @@ private function getOwnInterfaces(string $class, ?string $parent): array
 
     private function setReturnType(string $types, string $class, string $method, string $filename, ?string $parent, \ReflectionType $returnType = null): void
     {
+        if ('__construct' === $method) {
+            return;
+        }
+
         if ($nullable = 0 === strpos($types, 'null|')) {
             $types = substr($types, 5);
         } elseif ($nullable = '|null' === substr($types, -5)) {

Tests/Fixtures/ReturnType.php

@@ -7,6 +7,7 @@
 
 class ReturnType extends ReturnTypeParent implements ReturnTypeInterface, Fixtures\OutsideInterface
 {
+    public function __construct() { }
     public function returnTypeGrandParent() { }
     public function returnTypeParentInterface() { }
     public function returnTypeInterface() { }

Tests/Fixtures/ReturnTypeParent.php

@@ -4,6 +4,13 @@
 
 abstract class ReturnTypeParent extends ReturnTypeGrandParent implements ReturnTypeParentInterface
 {
+    /**
+     * @return void
+     */
+    public function __construct()
+    {
+    }
+
     /**
      * No return declared here
      */