00a8328763575de135f5cd8ae0ce6254f658a7c3
 core/modules/entity/lib/Drupal/entity/Entity.php            | 8 ++++++--
 core/modules/entity/lib/Drupal/entity/EntityInterface.php   | 8 ++++++--
 core/modules/node/lib/Drupal/node/NodeStorageController.php | 2 +-
 3 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/core/modules/entity/lib/Drupal/entity/Entity.php b/core/modules/entity/lib/Drupal/entity/Entity.php
index a9acf36..e49ca95 100644
--- a/core/modules/entity/lib/Drupal/entity/Entity.php
+++ b/core/modules/entity/lib/Drupal/entity/Entity.php
@@ -266,8 +266,12 @@ public function getRevisionId() {
   /**
    * Implements Drupal\entity\EntityInterface::isCurrentRevision().
    */
-  public function isCurrentRevision() {
-    return $this->isCurrentRevision;
+  public function isCurrentRevision($new_value = NULL) {
+    $return = $this->isCurrentRevision;
+    if (isset($new_value)) {
+      $this->isCurrentRevision = (bool) $new_value;
+    }
+    return $return;
   }
 
 }
diff --git a/core/modules/entity/lib/Drupal/entity/EntityInterface.php b/core/modules/entity/lib/Drupal/entity/EntityInterface.php
index 699c424..0b89e12 100644
--- a/core/modules/entity/lib/Drupal/entity/EntityInterface.php
+++ b/core/modules/entity/lib/Drupal/entity/EntityInterface.php
@@ -200,9 +200,13 @@ public function getRevisionId();
   /**
    * Checks if this entity is the current revision.
    *
+   * @param bool $new_value
+   *   (optional) A Boolean to (re)set the isCurrentRevision flag.
+   *
    * @return bool
-   *   TRUE if the entity is the current revision, FALSE otherwise.
+   *   TRUE if the entity is the current revision, FALSE otherwise. If
+   *   $new_value was passed, the previous value is returned.
    */
-  public function isCurrentRevision();
+  public function isCurrentRevision($new_value = NULL);
 
 }
diff --git a/core/modules/node/lib/Drupal/node/NodeStorageController.php b/core/modules/node/lib/Drupal/node/NodeStorageController.php
index 0fa7b33..d082d1e 100644
--- a/core/modules/node/lib/Drupal/node/NodeStorageController.php
+++ b/core/modules/node/lib/Drupal/node/NodeStorageController.php
@@ -151,7 +151,7 @@ protected function saveRevision(EntityInterface $entity) {
     $entity->{$this->revisionKey} = $record->{$this->revisionKey};
 
     // Mark this revision as the current one.
-    $entity->isCurrentRevision = TRUE;
+    $entity->isCurrentRevision(TRUE);
   }
 
   /**