Symfony\Component\DependencyInjection\Compiler\Compiler::compile PHP Method

    public function compile(ContainerBuilder $container)
    {
        foreach ($this->passConfig->getPasses() as $pass) {
            $pass->process($container);
        }
    }

 protected function process(ContainerBuilder $container)
 {
     $compiler = new Compiler();
     $passConfig = $compiler->getPassConfig();
     $passConfig->setOptimizationPasses(array(new AnalyzeServiceReferencesPass(true), new CheckCircularReferencesPass()));
     $passConfig->setRemovingPasses(array());
     $compiler->compile($container);
 }