[HttpKernel][FrameworkBundle] Add a minimalist default PSR-3 logger

Author: dunglas

CHANGELOG.md

@@ -4,6 +4,7 @@ CHANGELOG
 3.4.0
 -----
 
+ * Always register a minimalist logger that writes in `stderr`
  * Deprecated `profiler.matcher` option
  * Added support for `EventSubscriberInterface` on `MicroKernelTrait`
  * Removed `doctrine/cache` from the list of required dependencies in `composer.json`

FrameworkBundle.php

@@ -31,6 +31,7 @@
 use Symfony\Component\HttpKernel\DependencyInjection\AddCacheClearerPass;
 use Symfony\Component\HttpKernel\DependencyInjection\AddCacheWarmerPass;
 use Symfony\Component\HttpKernel\DependencyInjection\ControllerArgumentValueResolverPass;
+use Symfony\Component\HttpKernel\DependencyInjection\LoggerPass;
 use Symfony\Component\HttpKernel\DependencyInjection\RegisterControllerArgumentLocatorsPass;
 use Symfony\Component\HttpKernel\DependencyInjection\RemoveEmptyControllerArgumentLocatorsPass;
 use Symfony\Component\HttpKernel\DependencyInjection\ResettableServicePass;
@@ -85,6 +86,7 @@ public function build(ContainerBuilder $container)
     {
         parent::build($container);
 
+        $container->addCompilerPass(new LoggerPass(), PassConfig::TYPE_BEFORE_OPTIMIZATION, -32);
         $container->addCompilerPass(new RegisterControllerArgumentLocatorsPass());
         $container->addCompilerPass(new RemoveEmptyControllerArgumentLocatorsPass(), PassConfig::TYPE_BEFORE_REMOVING);
         $container->addCompilerPass(new RoutingResolverPass());