From 8a9e0f526d56d75f0991c25e7f9f7b7ce9281b0f Mon Sep 17 00:00:00 2001
From: Robin Chalas <robin.chalas@gmail.com>
Date: Sun, 4 Sep 2016 03:01:20 +0200
Subject: [PATCH] [FrameworkBundle] Check for class existence before
 is_subclass_of

---
 .../DependencyInjection/Compiler/AddConsoleCommandPass.php    | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Compiler/AddConsoleCommandPass.php b/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Compiler/AddConsoleCommandPass.php
index 4ab0d82ed1..7af53395f8 100644
--- a/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Compiler/AddConsoleCommandPass.php
+++ b/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Compiler/AddConsoleCommandPass.php
@@ -38,6 +38,10 @@ class AddConsoleCommandPass implements CompilerPassInterface
 
             $class = $container->getParameterBag()->resolveValue($definition->getClass());
             if (!is_subclass_of($class, 'Symfony\\Component\\Console\\Command\\Command')) {
+                if (!class_exists($class, false)) {
+                    throw new \InvalidArgumentException(sprintf('Class "%s" used for service "%s" cannot be found.', $class, $id));
+                }
+
                 throw new \InvalidArgumentException(sprintf('The service "%s" tagged "console.command" must be a subclass of "Symfony\\Component\\Console\\Command\\Command".', $id));
             }
             $container->setAlias('console.command.'.strtolower(str_replace('\\', '_', $class)), $id);