diff -u b/core/includes/bootstrap.inc b/core/includes/bootstrap.inc
--- b/core/includes/bootstrap.inc
+++ b/core/includes/bootstrap.inc
@@ -2079,7 +2079,7 @@
   static $stored_phase = -1;
 
   // When not recursing, store the phase name so it's not forgotten during
-  // recursion. Addionally, ensure that $final_phase is never rolled back to an
+  // recursion. Additionally, ensure that $final_phase is never rolled back to an
   // earlier bootstrap state.
   if ($new_phase && $phase > $final_phase) {
     $final_phase = $phase;
diff -u b/core/includes/module.inc b/core/includes/module.inc
--- b/core/includes/module.inc
+++ b/core/includes/module.inc
@@ -269,8 +269,8 @@
  *   The name of the extension.
  * @param string $filename
  *   The filename of the extension.
- * @param boolean $load
- *   Whether to call drupal_load() for the extension.
+ * @param bool $load
+ *   (optional) Call drupal_load() for the extension. Defaults to FALSE.
  */
 function _system_list_warm($type, $name, $filename, $load = FALSE) {
   drupal_classloader_register($name, dirname($filename));
@@ -1223,7 +1223,7 @@
 }
 
 /**
- * Helper function Drupal\Core\Config\Config::save() to sort module data.
+ * Helper function for Drupal\Core\Config\Config::save() to sort module data.
  *
  * @param array $data
  *   An array of module configuration data.
diff -u b/core/lib/Drupal/Core/Config/Config.php b/core/lib/Drupal/Core/Config/Config.php
--- b/core/lib/Drupal/Core/Config/Config.php
+++ b/core/lib/Drupal/Core/Config/Config.php
@@ -310,8 +310,9 @@
    * Saves the configuration object.
    *
    * @param mixed $sorter
-   *   A callable which sorts the data before save. FALSE to disable sorting.
-   *   Defaults to Drupal\Core\Config\Config::sortByKey().
+   *   (optional) A callable which sorts the data before save. FALSE to disable
+   *   sorting. Defaults to NULL thereby using
+   *   Drupal\Core\Config\Config::sortByKey().
    */
   public function save($sorter = NULL) {
     if ($sorter !== FALSE) {
diff -u b/core/lib/Drupal/Core/KeyValueStore/KeyValueFactory.php b/core/lib/Drupal/Core/KeyValueStore/KeyValueFactory.php
--- b/core/lib/Drupal/Core/KeyValueStore/KeyValueFactory.php
+++ b/core/lib/Drupal/Core/KeyValueStore/KeyValueFactory.php
@@ -9,8 +9,10 @@
 
   /**
    * @param string $collection
-   * @param string $class_name
-   * @return Drupal\Core\KeyValueStore\KeyValueStoreInterface
+   *   The name of the collection holding key and value pairs.
+   *
+   * @return Drupal\Core\KeyValueStore\DatabaseStorage
+   *   A key/value store implementation for the given $collection.
    */
   static function get($collection) {
     return new DatabaseStorage($collection);
diff -u b/core/modules/system/lib/Drupal/system/Tests/Database/TemporaryQueryTest.php b/core/modules/system/lib/Drupal/system/Tests/Database/TemporaryQueryTest.php
--- b/core/modules/system/lib/Drupal/system/Tests/Database/TemporaryQueryTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Database/TemporaryQueryTest.php
@@ -43,7 +43,7 @@
     $this->drupalGet('database_test/db_query_temporary');
     $data = json_decode($this->drupalGetContent());
     if ($data) {
-      $this->assertEqual($this->countTableRows("filter"), $data->row_count, t('The temporary table contains the correct amount of rows.'));
+      $this->assertEqual($this->countTableRows("filter"), $data->row_count, 'The temporary table contains the correct amount of rows.');
       $this->assertFalse(db_table_exists($data->table_name), t('The temporary table is, indeed, temporary.'));
     }
     else {
only in patch2:
unchanged:
--- a/core/modules/locale/lib/Drupal/locale/Tests/LocaleCompareTest.php
+++ b/core/modules/locale/lib/Drupal/locale/Tests/LocaleCompareTest.php
@@ -47,6 +47,8 @@ class LocaleCompareTest extends WebTestBase {
     // modules not hidden. locale_test_system_info_alter() modifies the project
     // info of the locale_test and locale_test_disabled modules.
     variable_set('locale_translation_test_system_info_alter', TRUE);
+    // Reset system lists to reflect changes.
+    system_list_reset();
 
     // Check if interface translation data is collected from hook_info.
     drupal_static_reset('locale_translation_project_list');
@@ -75,6 +77,8 @@ class LocaleCompareTest extends WebTestBase {
 
     // Return the locale test modules back to their hidden state.
     variable_del('locale_translation_test_system_info_alter');
+    // Reset system lists to reflect changes.
+    system_list_reset();
   }
 
 }