--- 2979184-20.patch	2019-11-25 14:24:35.295861349 +0400
+++ 2979184-23.patch	2019-11-25 14:39:25.779849494 +0400
@@ -1,5 +1,5 @@
 diff --git a/core/modules/layout_builder/src/Entity/LayoutBuilderEntityViewDisplay.php b/core/modules/layout_builder/src/Entity/LayoutBuilderEntityViewDisplay.php
-index 6619c580ce..9ac07566ab 100644
+index dc07388..31d0bd1 100644
 --- a/core/modules/layout_builder/src/Entity/LayoutBuilderEntityViewDisplay.php
 +++ b/core/modules/layout_builder/src/Entity/LayoutBuilderEntityViewDisplay.php
 @@ -9,6 +9,7 @@
@@ -10,11 +10,10 @@
  use Drupal\Core\Plugin\Context\Context;
  use Drupal\Core\Plugin\Context\ContextDefinition;
  use Drupal\Core\Plugin\Context\EntityContext;
-@@ -31,6 +32,25 @@ class LayoutBuilderEntityViewDisplay extends BaseEntityViewDisplay implements La
-   use SectionStorageTrait;
+@@ -32,6 +33,25 @@ class LayoutBuilderEntityViewDisplay extends BaseEntityViewDisplay implements La
    use LayoutEntityHelperTrait;
  
-+  /**
+   /**
 +   * The number of times this formatter allows rendering the same entity.
 +   *
 +   * @var int
@@ -33,10 +32,11 @@
 +   */
 +  protected static $recursiveRenderDepth = [];
 +
-   /**
++  /**
     * The entity field manager.
     *
-@@ -299,6 +319,10 @@ protected function buildSections(FieldableEntityInterface $entity) {
+    * @var \Drupal\Core\Entity\EntityFieldManagerInterface
+@@ -314,6 +334,10 @@ protected function buildSections(FieldableEntityInterface $entity) {
      $build = [];
      if ($storage) {
        foreach ($storage->getSections() as $delta => $section) {
@@ -47,11 +47,10 @@
          $build[$delta] = $section->toRenderArray($contexts);
        }
      }
-@@ -467,6 +491,48 @@ protected function getDefaultSection() {
-     return $this->getSection(0);
+@@ -483,6 +507,48 @@ protected function getDefaultSection() {
    }
  
-+  /**
+   /**
 +   * Tests if this section has been rendered beyond the recursive limit.
 +   *
 +   * @param \Drupal\Core\Entity\FieldableEntityInterface $entity
@@ -93,11 +92,12 @@
 +    return FALSE;
 +  }
 +
-   /**
++  /**
     * Gets the section storage manager.
     *
+    * @return \Drupal\layout_builder\SectionStorage\SectionStorageManagerInterface
 diff --git a/core/modules/layout_builder/src/EventSubscriber/BlockComponentRenderArray.php b/core/modules/layout_builder/src/EventSubscriber/BlockComponentRenderArray.php
-index e1a9773959..a6b6d6303c 100644
+index 8cde767..e188a10 100644
 --- a/core/modules/layout_builder/src/EventSubscriber/BlockComponentRenderArray.php
 +++ b/core/modules/layout_builder/src/EventSubscriber/BlockComponentRenderArray.php
 @@ -12,6 +12,7 @@
@@ -116,11 +116,10 @@
    use StringTranslationTrait;
  
    /**
-@@ -32,6 +34,23 @@ class BlockComponentRenderArray implements EventSubscriberInterface {
-    */
+@@ -33,6 +35,23 @@ class BlockComponentRenderArray implements EventSubscriberInterface {
    protected $currentUser;
  
-+  /**
+   /**
 +   * An array of counters used for Views block recursive rendering protection.
 +   *
 +   * The counter records every time a specific entity has been rendered by a
@@ -137,9 +136,10 @@
 +   */
 +  const VIEWS_RECURSIVE_RENDER_LIMIT = 2;
 +
-   /**
++  /**
     * Creates a BlockComponentRenderArray object.
     *
+    * @param \Drupal\Core\Session\AccountInterface $current_user
 @@ -57,6 +76,7 @@ public static function getSubscribedEvents() {
     *   The section component render event.
     */
@@ -148,10 +148,10 @@
      $block = $event->getPlugin();
      if (!$block instanceof BlockPluginInterface) {
        return;
-@@ -134,7 +154,53 @@ public function onBuildRender(SectionComponentBuildRenderArrayEvent $event) {
-       if ($is_content_empty && $is_placeholder_ready) {
-         $build['content']['#markup'] = $this->t('Placeholder for the @preview_fallback', ['@preview_fallback' => $block->getPreviewFallbackString()]);
+@@ -137,7 +157,53 @@ public function onBuildRender(SectionComponentBuildRenderArrayEvent $event) {
+         }
        }
+ 
 -      $event->setBuild($build);
 +
 +      if ($block instanceof ViewsBlock) {
@@ -204,25 +204,25 @@
    }
  
 diff --git a/core/modules/layout_builder/src/QuickEditIntegration.php b/core/modules/layout_builder/src/QuickEditIntegration.php
-index 5492b4f335..d103b3972c 100644
+index 9ee5045..e188598 100644
 --- a/core/modules/layout_builder/src/QuickEditIntegration.php
 +++ b/core/modules/layout_builder/src/QuickEditIntegration.php
-@@ -129,6 +129,12 @@ public function entityViewAlter(array &$build, EntityInterface $entity, EntityVi
+@@ -129,7 +129,11 @@ public function entityViewAlter(array &$build, EntityInterface $entity, EntityVi
      $plugin_ids_to_update = [];
      foreach (Element::children($build['_layout_builder']) as $delta) {
        $section = $build['_layout_builder'][$delta];
-+
+-
 +      // Recursion protection makes it possible for there to be a $section
 +      // without a '#layout' key. Skip when this is the case.
 +      if (!isset($section['#layout'])) {
 +        continue;
 +      }
-       /** @var \Drupal\Core\Layout\LayoutDefinition $layout */
-       $layout = $section['#layout'];
-       $regions = $layout->getRegionNames();
+       if (!Element::isEmpty($section)) {
+         /** @var \Drupal\Core\Layout\LayoutDefinition $layout */
+         $layout = $section['#layout'];
 diff --git a/core/modules/layout_builder/tests/modules/layout_builder_recursive_test/config/install/core.entity_form_display.node.type_with_recursion.default.yml b/core/modules/layout_builder/tests/modules/layout_builder_recursive_test/config/install/core.entity_form_display.node.type_with_recursion.default.yml
 new file mode 100644
-index 0000000000..f702bdcb90
+index 0000000..f702bdc
 --- /dev/null
 +++ b/core/modules/layout_builder/tests/modules/layout_builder_recursive_test/config/install/core.entity_form_display.node.type_with_recursion.default.yml
 @@ -0,0 +1,67 @@
@@ -295,7 +295,7 @@
 +hidden: {  }
 diff --git a/core/modules/layout_builder/tests/modules/layout_builder_recursive_test/config/install/core.entity_view_display.node.type_with_recursion.default.yml b/core/modules/layout_builder/tests/modules/layout_builder_recursive_test/config/install/core.entity_view_display.node.type_with_recursion.default.yml
 new file mode 100644
-index 0000000000..c5a47ce29c
+index 0000000..c5a47ce
 --- /dev/null
 +++ b/core/modules/layout_builder/tests/modules/layout_builder_recursive_test/config/install/core.entity_view_display.node.type_with_recursion.default.yml
 @@ -0,0 +1,66 @@
@@ -367,7 +367,7 @@
 +hidden: {  }
 diff --git a/core/modules/layout_builder/tests/modules/layout_builder_recursive_test/config/install/core.entity_view_display.node.type_with_recursion.teaser.yml b/core/modules/layout_builder/tests/modules/layout_builder_recursive_test/config/install/core.entity_view_display.node.type_with_recursion.teaser.yml
 new file mode 100644
-index 0000000000..7f2fcada1f
+index 0000000..7f2fcad
 --- /dev/null
 +++ b/core/modules/layout_builder/tests/modules/layout_builder_recursive_test/config/install/core.entity_view_display.node.type_with_recursion.teaser.yml
 @@ -0,0 +1,54 @@
@@ -427,7 +427,7 @@
 +hidden: {  }
 diff --git a/core/modules/layout_builder/tests/modules/layout_builder_recursive_test/config/install/field.field.node.type_with_recursion.body.yml b/core/modules/layout_builder/tests/modules/layout_builder_recursive_test/config/install/field.field.node.type_with_recursion.body.yml
 new file mode 100644
-index 0000000000..4fa0b933dc
+index 0000000..4fa0b93
 --- /dev/null
 +++ b/core/modules/layout_builder/tests/modules/layout_builder_recursive_test/config/install/field.field.node.type_with_recursion.body.yml
 @@ -0,0 +1,21 @@
@@ -454,7 +454,7 @@
 +field_type: text_with_summary
 diff --git a/core/modules/layout_builder/tests/modules/layout_builder_recursive_test/config/install/node.type.type_with_recursion.yml b/core/modules/layout_builder/tests/modules/layout_builder_recursive_test/config/install/node.type.type_with_recursion.yml
 new file mode 100644
-index 0000000000..d351be868d
+index 0000000..d351be8
 --- /dev/null
 +++ b/core/modules/layout_builder/tests/modules/layout_builder_recursive_test/config/install/node.type.type_with_recursion.yml
 @@ -0,0 +1,9 @@
@@ -469,7 +469,7 @@
 +display_submitted: true
 diff --git a/core/modules/layout_builder/tests/modules/layout_builder_recursive_test/config/install/views.view.list_all_nodes.yml b/core/modules/layout_builder/tests/modules/layout_builder_recursive_test/config/install/views.view.list_all_nodes.yml
 new file mode 100644
-index 0000000000..c6b70d02b3
+index 0000000..c6b70d0
 --- /dev/null
 +++ b/core/modules/layout_builder/tests/modules/layout_builder_recursive_test/config/install/views.view.list_all_nodes.yml
 @@ -0,0 +1,165 @@
@@ -640,7 +640,7 @@
 +      tags: {  }
 diff --git a/core/modules/layout_builder/tests/modules/layout_builder_recursive_test/layout_builder_recursive_test.info.yml b/core/modules/layout_builder/tests/modules/layout_builder_recursive_test/layout_builder_recursive_test.info.yml
 new file mode 100644
-index 0000000000..7025992b06
+index 0000000..7025992
 --- /dev/null
 +++ b/core/modules/layout_builder/tests/modules/layout_builder_recursive_test/layout_builder_recursive_test.info.yml
 @@ -0,0 +1,8 @@
@@ -653,7 +653,7 @@
 +dependencies:
 +  - views
 diff --git a/core/modules/layout_builder/tests/modules/layout_builder_test/config/schema/layout_builder_test.schema.yml b/core/modules/layout_builder/tests/modules/layout_builder_test/config/schema/layout_builder_test.schema.yml
-index 75050837fa..8ba8237a84 100644
+index 7505083..8ba8237 100644
 --- a/core/modules/layout_builder/tests/modules/layout_builder_test/config/schema/layout_builder_test.schema.yml
 +++ b/core/modules/layout_builder/tests/modules/layout_builder_test/config/schema/layout_builder_test.schema.yml
 @@ -5,3 +5,13 @@ layout_builder_test.test_simple_config.*:
@@ -672,7 +672,7 @@
 +      type: integer
 diff --git a/core/modules/layout_builder/tests/modules/layout_builder_test/src/Plugin/Block/EntityBlock.php b/core/modules/layout_builder/tests/modules/layout_builder_test/src/Plugin/Block/EntityBlock.php
 new file mode 100644
-index 0000000000..711684b44e
+index 0000000..711684b
 --- /dev/null
 +++ b/core/modules/layout_builder/tests/modules/layout_builder_test/src/Plugin/Block/EntityBlock.php
 @@ -0,0 +1,39 @@
@@ -717,7 +717,7 @@
 +}
 diff --git a/core/modules/layout_builder/tests/src/Functional/LayoutRecursionTest.php b/core/modules/layout_builder/tests/src/Functional/LayoutRecursionTest.php
 new file mode 100644
-index 0000000000..5ef4957f0d
+index 0000000..5ef4957
 --- /dev/null
 +++ b/core/modules/layout_builder/tests/src/Functional/LayoutRecursionTest.php
 @@ -0,0 +1,66 @@
@@ -788,7 +788,7 @@
 +
 +}
 diff --git a/core/modules/layout_builder/tests/src/Kernel/LayoutBuilderCompatibilityTestBase.php b/core/modules/layout_builder/tests/src/Kernel/LayoutBuilderCompatibilityTestBase.php
-index 72ee01ac60..3f244297ae 100644
+index fa1047c..d2e2488 100644
 --- a/core/modules/layout_builder/tests/src/Kernel/LayoutBuilderCompatibilityTestBase.php
 +++ b/core/modules/layout_builder/tests/src/Kernel/LayoutBuilderCompatibilityTestBase.php
 @@ -6,6 +6,7 @@
@@ -815,7 +815,7 @@
      $actual = array_map(function (\SimpleXMLElement $element) {
 diff --git a/core/modules/layout_builder/tests/src/Kernel/SectionComponentRecursionTest.php b/core/modules/layout_builder/tests/src/Kernel/SectionComponentRecursionTest.php
 new file mode 100644
-index 0000000000..e4cafea597
+index 0000000..e4cafea
 --- /dev/null
 +++ b/core/modules/layout_builder/tests/src/Kernel/SectionComponentRecursionTest.php
 @@ -0,0 +1,79 @@