Merge branch '4.1'

* 4.1:
  [DI] fix analyzing lazy refs involved in circular loops
  [DI] Fix autowire inner service

src/Symfony/Component/DependencyInjection/Compiler/AnalyzeServiceReferencesPass.php

@@ -32,6 +32,7 @@ class AnalyzeServiceReferencesPass extends AbstractRecursivePass implements Repe
     private $graph;
     private $currentDefinition;
     private $onlyConstructorArguments;
+    private $hasProxyDumper;
     private $lazy;
     private $definitions;
     private $aliases;
@@ -39,9 +40,10 @@ class AnalyzeServiceReferencesPass extends AbstractRecursivePass implements Repe
     /**
      * @param bool $onlyConstructorArguments Sets this Service Reference pass to ignore method calls
      */
-    public function __construct(bool $onlyConstructorArguments = false)
+    public function __construct(bool $onlyConstructorArguments = false, bool $hasProxyDumper = true)
     {
         $this->onlyConstructorArguments = $onlyConstructorArguments;
+        $this->hasProxyDumper = $hasProxyDumper;
         $this->enableExpressionProcessing();
     }
 
@@ -98,7 +100,7 @@ class AnalyzeServiceReferencesPass extends AbstractRecursivePass implements Repe
                 $targetId,
                 $targetDefinition,
                 $value,
-                $this->lazy || ($targetDefinition && $targetDefinition->isLazy()),
+                $this->lazy || ($this->hasProxyDumper && $targetDefinition && $targetDefinition->isLazy()),
                 ContainerInterface::IGNORE_ON_UNINITIALIZED_REFERENCE === $value->getInvalidBehavior()
             );
 

src/Symfony/Component/DependencyInjection/Compiler/AutowirePass.php

@@ -144,11 +144,12 @@ class AutowirePass extends AbstractRecursivePass
      */
     private function autowireCalls(\ReflectionClass $reflectionClass, bool $isRoot): array
     {
+        $this->decoratedId = null;
+        $this->decoratedClass = null;
+        $this->getPreviousValue = null;
+
         if ($isRoot && ($definition = $this->container->getDefinition($this->currentId)) && $this->container->has($this->decoratedId = $definition->innerServiceId)) {
             $this->decoratedClass = $this->container->findDefinition($this->decoratedId)->getClass();
-        } else {
-            $this->decoratedId = null;
-            $this->decoratedClass = null;
         }
 
         foreach ($this->methodCalls as $i => $call) {

src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php

@@ -17,6 +17,7 @@ use Symfony\Component\DependencyInjection\Argument\ServiceClosureArgument;
 use Symfony\Component\DependencyInjection\Argument\ServiceLocator;
 use Symfony\Component\DependencyInjection\Argument\ServiceLocatorArgument;
 use Symfony\Component\DependencyInjection\Compiler\AnalyzeServiceReferencesPass;
+use Symfony\Component\DependencyInjection\Compiler\CheckCircularReferencesPass;
 use Symfony\Component\DependencyInjection\Compiler\ServiceReferenceGraphNode;
 use Symfony\Component\DependencyInjection\Container;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
@@ -152,29 +153,19 @@ class PhpDumper extends Dumper
         $this->initializeMethodNamesMap('Container' === $baseClass ? Container::class : $baseClass);
 
         if ($this->getProxyDumper() instanceof NullDumper) {
-            (new AnalyzeServiceReferencesPass(true))->process($this->container);
-            $this->circularReferences = array();
-            $checkedNodes = array();
-            foreach ($this->container->getCompiler()->getServiceReferenceGraph()->getNodes() as $id => $node) {
-                $currentPath = array($id => $id);
-                $this->analyzeCircularReferences($node->getOutEdges(), $checkedNodes, $currentPath);
-            }
-            foreach ($this->circularReferences as $parent => $ids) {
-                $path = array($parent);
-                while (!isset($ids[$parent])) {
-                    foreach ($ids as $id) {
-                        $path[] = $id;
-                        $ids = $this->circularReferences[$id];
-                        break;
-                    }
-                }
-                $path[] = $parent.'". Try running "composer require symfony/proxy-manager-bridge';
+            (new AnalyzeServiceReferencesPass(true, false))->process($this->container);
+            try {
+                (new CheckCircularReferencesPass())->process($this->container);
+            } catch (ServiceCircularReferenceException $e) {
+                $path = $e->getPath();
+                end($path);
+                $path[key($path)] .= '". Try running "composer require symfony/proxy-manager-bridge';
 
-                throw new ServiceCircularReferenceException($parent, $path);
+                throw new ServiceCircularReferenceException($e->getServiceId(), $path);
             }
         }
 
-        (new AnalyzeServiceReferencesPass())->process($this->container);
+        (new AnalyzeServiceReferencesPass(false, !$this->getProxyDumper() instanceof NullDumper))->process($this->container);
         $this->circularReferences = array();
         $this->singleUsePrivateIds = array();
         $checkedNodes = array();
@@ -386,7 +377,7 @@ EOTXT
             $node = $edge->getDestNode();
             $id = $node->getId();
 
-            if ($node->getValue() && (($edge->isLazy() && !$this->getProxyDumper() instanceof NullDumper) || $edge->isWeak())) {
+            if ($node->getValue() && ($edge->isLazy() || $edge->isWeak())) {
                 // no-op
             } elseif (isset($currentPath[$id])) {
                 foreach (array_reverse($currentPath) as $parentId) {

src/Symfony/Component/DependencyInjection/Tests/Compiler/AutowirePassTest.php

@@ -834,6 +834,29 @@ class AutowirePassTest extends TestCase
         $this->assertSame(Decorator::class.'.inner', (string) $definition->getArgument(1));
     }
 
+    public function testAutowireDecoratorChain()
+    {
+        $container = new ContainerBuilder();
+        $container->register(LoggerInterface::class, NullLogger::class);
+        $container->register(Decorated::class, Decorated::class);
+        $container
+            ->register(Decorator::class, Decorator::class)
+            ->setDecoratedService(Decorated::class)
+            ->setAutowired(true)
+        ;
+        $container
+            ->register(DecoratedDecorator::class, DecoratedDecorator::class)
+            ->setDecoratedService(Decorated::class)
+            ->setAutowired(true)
+        ;
+
+        (new DecoratorServicePass())->process($container);
+        (new AutowirePass())->process($container);
+
+        $definition = $container->getDefinition(DecoratedDecorator::class);
+        $this->assertSame(DecoratedDecorator::class.'.inner', (string) $definition->getArgument(0));
+    }
+
     public function testAutowireDecoratorRenamedId()
     {
         $container = new ContainerBuilder();

src/Symfony/Component/DependencyInjection/Tests/Dumper/PhpDumperTest.php

@@ -585,7 +585,7 @@ class PhpDumperTest extends TestCase
 
         $dumper = new PhpDumper($container);
 
-        $message = 'Circular reference detected for service "bar", path: "bar -> foo -> bar". Try running "composer require symfony/proxy-manager-bridge".';
+        $message = 'Circular reference detected for service "foo", path: "foo -> bar -> foo". Try running "composer require symfony/proxy-manager-bridge".';
         if (method_exists($this, 'expectException')) {
             $this->expectException(ServiceCircularReferenceException::class);
             $this->expectExceptionMessage($message);

src/Symfony/Component/DependencyInjection/Tests/Fixtures/includes/autowiring_classes.php

@@ -373,6 +373,13 @@ class Decorator implements DecoratorInterface
     }
 }
 
+class DecoratedDecorator implements DecoratorInterface
+{
+    public function __construct(DecoratorInterface $decorator)
+    {
+    }
+}
+
 class NonAutowirableDecorator implements DecoratorInterface
 {
     public function __construct(LoggerInterface $logger, DecoratorInterface $decorated1, DecoratorInterface $decorated2)