Merge branch '3.4' into 4.0

* 3.4:
  [2.7] Fix issues found by PHPStan
  [Command] Fix upgrade guide example
  Add php_unit_dedicate_assert to PHPCS
  [WebProfilerBundle] Let fetch() cast URL to string
  improve FormType::getType exception message details
  [Intl] Update ICU data to 60.2
  [Console] fix a bug when you are passing a default value and passing -n would ouput the index
  [FrameworkBundle] fix merge of 3.3 into 3.4
  bumped Symfony version to 3.4.3
  updated VERSION for 3.4.2
  updated CHANGELOG for 3.4.2

Author: nicolas-grekas

Tests/Compiler/RegisterEnvVarProcessorsPassTest.php

@@ -26,7 +26,7 @@ public function testSimpleProcessor()
         (new RegisterEnvVarProcessorsPass())->process($container);
 
         $this->assertTrue($container->has('container.env_var_processors_locator'));
-        $this->assertInstanceof(SimpleProcessor::class, $container->get('container.env_var_processors_locator')->get('foo'));
+        $this->assertInstanceOf(SimpleProcessor::class, $container->get('container.env_var_processors_locator')->get('foo'));
 
         $expected = array(
             'foo' => array('string'),

Tests/Compiler/ResolveInstanceofConditionalsPassTest.php

@@ -32,7 +32,7 @@ public function testProcess()
         $parent = 'instanceof.'.parent::class.'.0.foo';
         $def = $container->getDefinition('foo');
         $this->assertEmpty($def->getInstanceofConditionals());
-        $this->assertInstanceof(ChildDefinition::class, $def);
+        $this->assertInstanceOf(ChildDefinition::class, $def);
         $this->assertTrue($def->isAutowired());
         $this->assertSame($parent, $def->getParent());
         $this->assertSame(array('tag' => array(array()), 'baz' => array(array('attr' => 123))), $def->getTags());

Tests/ContainerTest.php

@@ -412,6 +412,7 @@ class ProjectServiceContainer extends Container
     public $__foo_bar;
     public $__foo_baz;
     public $__internal;
+    protected $privates;
     protected $methodMap = array(
         'bar' => 'getBarService',
         'foo_bar' => 'getFooBarService',