core/lib/Drupal/Core/Template/TwigExtension.php | 37 +++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/core/lib/Drupal/Core/Template/TwigExtension.php b/core/lib/Drupal/Core/Template/TwigExtension.php
index e204ba9..8c6abcc 100644
--- a/core/lib/Drupal/Core/Template/TwigExtension.php
+++ b/core/lib/Drupal/Core/Template/TwigExtension.php
@@ -4,7 +4,9 @@
 
 use Drupal\Component\Utility\Html;
 use Drupal\Component\Render\MarkupInterface;
+use Drupal\Core\Cache\CacheableDependencyInterface;
 use Drupal\Core\Datetime\DateFormatterInterface;
+use Drupal\Core\Render\AttachmentsInterface;
 use Drupal\Core\Render\RenderableInterface;
 use Drupal\Core\Render\RendererInterface;
 use Drupal\Core\Routing\UrlGeneratorInterface;
@@ -410,6 +412,8 @@ public function escapeFilter(\Twig_Environment $env, $arg, $strategy = 'html', $
       return NULL;
     }
 
+    $this->bubbleArgMetadata($arg);
+
     // Keep Twig_Markup objects intact to support autoescaping.
     if ($autoescape && ($arg instanceof \Twig_Markup || $arg instanceof MarkupInterface)) {
       return $arg;
@@ -463,6 +467,38 @@ public function escapeFilter(\Twig_Environment $env, $arg, $strategy = 'html', $
   }
 
   /**
+   * Bubbles Twig template argument's cacheability & attachment metadata.
+   *
+   * For example: a generated link or generated URL object is passed as a Twig
+   * template argument, and its bubbleable metadata must be bubbled.
+   *
+   * @see \Drupal\Core\GeneratedLink
+   * @see \Drupal\Core\GeneratedUrl
+   *
+   * @param mixed $arg
+   *   A Twig template argument that is about to be printed.
+   *
+   * @see \Drupal\Core\Theme\ThemeManager::render()
+   * @see \Drupal\Core\Render\RendererInterface::render()
+   */
+  protected function bubbleArgMetadata($arg) {
+    if ($arg instanceof CacheableDependencyInterface || $arg instanceof AttachmentsInterface) {
+      $arg_bubbleable = [];
+      if ($arg instanceof CacheableDependencyInterface) {
+        $arg_bubbleable['#cache']['contexts'] = $arg->getCacheContexts();
+        $arg_bubbleable['#cache']['tags'] = $arg->getCacheTags();
+        $arg_bubbleable['#cache']['max-age'] = $arg->getCacheMaxAge();
+      }
+      if ($arg instanceof AttachmentsInterface) {
+        $arg_bubbleable['#attached'] = $arg->getAttachments();
+      }
+      if ($arg_bubbleable) {
+        $this->renderer->render($arg_bubbleable);
+      }
+    }
+  }
+
+  /**
    * Wrapper around render() for twig printed output.
    *
    * If an object is passed which does not implement __toString(),
@@ -504,6 +540,7 @@ public function renderVar($arg) {
     }
 
     if (is_object($arg)) {
+      $this->bubbleArgMetadata($arg);
       if ($arg instanceof RenderableInterface) {
         $arg = $arg->toRenderable();
       }