diff --git a/core/includes/bootstrap.inc b/core/includes/bootstrap.inc
index 1cd178c..eddbcc0 100644
--- a/core/includes/bootstrap.inc
+++ b/core/includes/bootstrap.inc
@@ -237,7 +237,7 @@ function config_get_config_directory($type = CONFIG_ACTIVE_DIRECTORY) {
 function drupal_get_filename($type, $name, $filename = NULL) {
   // The location of files will not change during the request, so do not use
   // drupal_static().
-  static $files = array();
+  static $files = array(), $bad = array();
 
   // Type 'core' only exists to simplify application-level logic; it always maps
   // to the /core directory, whereas $name is ignored. It is only requested via
@@ -261,22 +261,32 @@ function drupal_get_filename($type, $name, $filename = NULL) {
     $files[$type][$name] = $filename;
   }
   elseif (!isset($files[$type][$name])) {
+    if (empty($bad)) {
+      $cache = \Drupal::cache('bootstrap')->get('drupal_get_filename:bad', TRUE);
+      if ($cache && $cache->data) {
+        $bad = $cache->data;
+      }
+      else {
+        $bad = array();
+      }
+    }
+
     // If the pathname of the requested extension is not known, try to retrieve
     // the list of extension pathnames from various providers, checking faster
     // providers first.
     // Retrieve the current module list (derived from the service container).
-    if ($type == 'module' && \Drupal::hasService('module_handler')) {
+    if (!isset($bad[$type][$name]) && $type == 'module' && \Drupal::hasService('module_handler')) {
       foreach (\Drupal::moduleHandler()->getModuleList() as $module_name => $module) {
         $files[$type][$module_name] = $module->getPathname();
       }
     }
     // If still unknown, retrieve the file list prepared in state by
     // system_rebuild_module_data() and system_rebuild_theme_data().
-    if (!isset($files[$type][$name]) && \Drupal::hasService('state')) {
+    if (!isset($bad[$type][$name]) && !isset($files[$type][$name]) && \Drupal::hasService('state')) {
       $files[$type] += \Drupal::state()->get('system.' . $type . '.files', array());
     }
     // If still unknown, perform a filesystem scan.
-    if (!isset($files[$type][$name])) {
+    if (!isset($bad[$type][$name]) && !isset($files[$type][$name])) {
       $listing = new ExtensionDiscovery(DRUPAL_ROOT);
       // Prevent an infinite recursion by this legacy function.
       if ($original_type == 'profile') {
@@ -291,6 +301,12 @@ function drupal_get_filename($type, $name, $filename = NULL) {
   if (isset($files[$type][$name])) {
     return $files[$type][$name];
   }
+  elseif (!isset($bad[$type][$name])) {
+    // Add the missing file to a temporary cache and throw an alert.
+    $bad[$type][$name] = TRUE;
+    \Drupal::cache('bootstrap')->set('drupal_get_filename:bad', $bad, REQUEST_TIME);
+    \Drupal::logger('system')->error('The following @type is missing from the file system: @name', array('@type' => $type, '@name' => $name));
+  }
 }
 
 /**