bug symfony#23073 [TwigBridge] Fix namespaced classes (ogizanagi)

This PR was merged into the 2.7 branch.

Discussion
----------

[TwigBridge] Fix namespaced classes

| Q             | A
| ------------- | ---
| Branch?       | 2.7 <!-- see comment below -->
| Bug fix?      | yes
| New feature?  | no <!-- don't forget updating src/**/CHANGELOG.md files -->
| BC breaks?    | no
| Deprecations? | no <!-- don't forget updating UPGRADE-*.md files -->
| Tests pass?   | yes
| Fixed tickets | symfony#23072 <!-- #-prefixed issue number(s), if any -->
| License       | MIT
| Doc PR        | N/A

Commits
-------

a1cdc2d [TwigBridge] Fix namespaced classes

Author: fabpot

src/Symfony/Bridge/Twig/NodeVisitor/TranslationDefaultDomainNodeVisitor.php

@@ -14,13 +14,15 @@
 use Symfony\Bridge\Twig\Node\TransNode;
 use Symfony\Bridge\Twig\Node\TransDefaultDomainNode;
 use Twig\Environment;
+use Twig\Node\BlockNode;
 use Twig\Node\Expression\ArrayExpression;
 use Twig\Node\Expression\AssignNameExpression;
 use Twig\Node\Expression\ConstantExpression;
 use Twig\Node\Expression\FilterExpression;
 use Twig\Node\Expression\NameExpression;
 use Twig\Node\ModuleNode;
 use Twig\Node\Node;
+use Twig\Node\SetNode;
 use Twig\NodeVisitor\AbstractNodeVisitor;
 
 /**
@@ -48,7 +50,7 @@ public function __construct()
      */
     protected function doEnterNode(Node $node, Environment $env)
     {
-        if ($node instanceof Node_Block || $node instanceof ModuleNode) {
+        if ($node instanceof BlockNode || $node instanceof ModuleNode) {
             $this->scope = $this->scope->enter();
         }
 
@@ -62,7 +64,7 @@ protected function doEnterNode(Node $node, Environment $env)
                 $name = new AssignNameExpression($var, $node->getTemplateLine());
                 $this->scope->set('domain', new NameExpression($var, $node->getTemplateLine()));
 
-                return new Node_Set(false, new Node(array($name)), new Node(array($node->getNode('expr'))), $node->getTemplateLine());
+                return new SetNode(false, new Node(array($name)), new Node(array($node->getNode('expr'))), $node->getTemplateLine());
             }
         }
 
@@ -104,7 +106,7 @@ protected function doLeaveNode(Node $node, Environment $env)
             return false;
         }
 
-        if ($node instanceof Node_Block || $node instanceof ModuleNode) {
+        if ($node instanceof BlockNode || $node instanceof ModuleNode) {
             $this->scope = $this->scope->leave();
         }