copy synthetic status when resolving child definitions

kbond · kbond · commit 75bb8f83af07 · 2022-01-11T14:08:20.000-05:00
diff --git a/src/Symfony/Component/DependencyInjection/Compiler/ResolveChildDefinitionsPass.php b/src/Symfony/Component/DependencyInjection/Compiler/ResolveChildDefinitionsPass.php
@@ -111,6 +111,7 @@ private function doResolveDefinition(ChildDefinition $definition): Definition
         $def->setLazy($parentDef->isLazy());
         $def->setAutowired($parentDef->isAutowired());
         $def->setChanges($parentDef->getChanges());
+        $def->setSynthetic($parentDef->isSynthetic());
 
         $def->setBindings($definition->getBindings() + $parentDef->getBindings());
 
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Compiler/ResolveChildDefinitionsPassTest.php b/src/Symfony/Component/DependencyInjection/Tests/Compiler/ResolveChildDefinitionsPassTest.php
@@ -412,4 +412,23 @@ public function testProcessDetectsChildDefinitionIndirectCircularReference()
 
         $this->process($container);
     }
+
+    public function testProcessCopiesSyntheticStatus()
+    {
+        $container = new ContainerBuilder();
+
+        $container
+            ->register('parent')
+            ->setSynthetic(true)
+        ;
+
+        $container
+            ->setDefinition('child', new ChildDefinition('parent'))
+        ;
+
+        $this->process($container);
+
+        $def = $container->getDefinition('child');
+        $this->assertTrue($def->isSynthetic());
+    }
 }
