diff vendor/symfony/http-kernel/HttpCache/ResponseCacheStrategy.php @ 12:7a779792577d

Update Drupal core to v8.4.5 (via Composer)

--- a/vendor/symfony/http-kernel/HttpCache/ResponseCacheStrategy.php	Fri Feb 23 15:51:18 2018 +0000
+++ b/vendor/symfony/http-kernel/HttpCache/ResponseCacheStrategy.php	Fri Feb 23 15:52:07 2018 +0000
@@ -39,7 +39,7 @@
      */
     public function add(Response $response)
     {
-        if ($response->isValidateable()) {
+        if (!$response->isFresh() || !$response->isCacheable()) {
             $this->cacheable = false;
         } else {
             $maxAge = $response->getMaxAge();
@@ -70,6 +70,9 @@
         if ($response->isValidateable()) {
             $response->setEtag(null);
             $response->setLastModified(null);
+        }
+
+        if (!$response->isFresh()) {
             $this->cacheable = false;
         }